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Articles 1 - 30 of 536
Full-Text Articles in Life Sciences
Field Research Report: Results From The Enreec Vri Field For The 2021, 2022, And 2023 Crop Seasons, Derek M. Heeren, Ali T. Mohammed, Eric Wilkening, Christopher M. U. Neale, Alan L. Boldt, Ankit Chandra, Precious Nneka Amori, Ivo Z. Goncalves, Yeyin Shi, Guillermo R. Balboa
Field Research Report: Results From The Enreec Vri Field For The 2021, 2022, And 2023 Crop Seasons, Derek M. Heeren, Ali T. Mohammed, Eric Wilkening, Christopher M. U. Neale, Alan L. Boldt, Ankit Chandra, Precious Nneka Amori, Ivo Z. Goncalves, Yeyin Shi, Guillermo R. Balboa
Department of Biological Systems Engineering: Conference Presentations and White Papers
Long-term irrigation management research has been conducted from 2014 to 2023 for corn and soybean at the Eastern Nebraska Research, Extension, and Education Center (ENREEC) Variable Rate Irrigation (VRI) Field located in subhumid east-central Nebraska (in the Lower Platte North Natural Resources District). The objective of this report was to present the overall results from the VRI Field for 2021 to 2023. Across the three growing seasons, there were the following irrigation treatments: Best Management Practice (BMP), 50% BMP, 125% BMP, rainfed, Spatial ET Modeling Interface (SETMI), SDD1, SDD2, machine-learning-based Cyber-Physical System (CPS), a student team recommended rate, and industry …
How Much Nebraska Ag Land Is Owned By Foreign Entities?, Larry W. Van Tassell
How Much Nebraska Ag Land Is Owned By Foreign Entities?, Larry W. Van Tassell
Center for Agricultural Profitability
The Agricultural Foreign Investment Disclosure Act of 1973 (AFIDA) established a mandatory reporting system, overseen by the USDA, that requires foreign entities to provide information on all U.S. agricultural and non-agricultural land in which they hold an interest. “Interest” is reported as a fee interest (legal possession of both the surface and mineral rights), partial fee interest (must state percent ownership), life estate, trust beneficiary, purchase contract, or other. “Other” includes leases that are 10-years or longer. The regulations exempt foreign entities with interests solely in mineral rights and leases of less than 10 years in duration from reporting. In …
Usda Reports On Land Values And County-Level Cash Rent Estimates Across Nebraska In 2023, Jim Jansen, Jeff Stokes
Usda Reports On Land Values And County-Level Cash Rent Estimates Across Nebraska In 2023, Jim Jansen, Jeff Stokes
Center for Agricultural Profitability
Survey findings from the USDA-National Agricultural Statistics Services (USDA-NASS) estimated that Nebraska farm real estate value, including all agricultural land and buildings, in 2023 increased by 13.1% to an average of $4,240 per acre (Figure 1). The year-over-year increases mark an increase of $490 for this annual period (USDA-NASS 2023a). Kansas and New Jersey lead the nation for the highest rates of increase in the market value of farmland at 16.3% and 14.9% for market value averages of $3,060 and $17,700 per acre. Nebraska marked the fifth-highest percentage increase for rising farm real estate when ranked against the other states.
Observations On A 40-Year January Bird Census In Boone County, Nebraska, 1978–2017, Wayne Mollhoff
Observations On A 40-Year January Bird Census In Boone County, Nebraska, 1978–2017, Wayne Mollhoff
Zea E-Books Collection
For 40 years Wayne Mollhoff conducted a personal bird census every January. He explains: "After having run several Breeding Bird Survey routes, and participated in several Christmas Bird Counts, I became curious to see what might be found on a winter count under the more tightly controlled parameters of a census, as contrasted with Christmas counts done with variable numbers of observers."
The count was set up similarly to the USGS Breeding Bird Survey routes with 50 stops, one-half mile (800 meters) apart, all birds counted for 3 minutes, with birds counted at one stop not counted again at following …
Pronghorn Survival And Resource Selection In Western Nebraska's Agriculturally Dominated Landscape, Katie Piecora
Pronghorn Survival And Resource Selection In Western Nebraska's Agriculturally Dominated Landscape, Katie Piecora
School of Natural Resources: Dissertations, Theses, and Student Research
Nebraska’s pronghorn population has been stable over the last decade, yet their presence on the landscape remains a contentious subject amongst private landowners. Conversion of grassland for crop production and increased anthropogenic activity has drastically altered pronghorn behavior throughout their current range, however basic ecology and resource use by pronghorn in Nebraska remains poorly understood. Establishing baseline population metrics and seasonal patterns of resource use for this population at the eastern periphery of the species range is critical to guide management actions. We deployed GPS collars on 110 adult pronghorn to quantify survival, mortality risk, and seasonal resource selection in …
Westward Expansion Of The Evening Bat (Nycticeius Humeralis) Into Dawson And Lincoln Counties Of Central Nebraska, Jamila Bajelan, Keith Geluso
Westward Expansion Of The Evening Bat (Nycticeius Humeralis) Into Dawson And Lincoln Counties Of Central Nebraska, Jamila Bajelan, Keith Geluso
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
The Evening Bat (Nycticeius humeralis) is a small, migratory species of temperate woodlands in the eastern United States. Along its western distributional edge in the Great Plains, this species resides in wooded riverine corridors. In recent decades, the distribution of Evening Bats has expanded westward throughout the Great Plains. Herein, we report on two county records that further document the distributional expansion of Evening Bats into central Nebraska. In 2019 and 2022, Evening Bats were collected in Lincoln and Dawson counties, respectively, in woodlands adjacent to the Platte River. Increases in wooded habitats along prairie waterways likely has …
Fusarium Species Structure In Nebraska Corn, Yuchu Ma
Fusarium Species Structure In Nebraska Corn, Yuchu Ma
Department of Food Science and Technology: Dissertations, Theses, and Student Research
Fusarium species are known to infect corn and cause significant yield losses and mycotoxin contamination worldwide. In this study, we investigated the diversity of Fusarium species infecting corn in Nebraska and their potential to produce fumonisins and trichothecenes. A total of 259 Fusarium isolates were collected from different corn tissues (ear, stalk, and root), revealing a significant association between the various Fusarium species complexes and different plant parts (p < 0.05). Fusarium incarnatum-equiseti species complex (FIESC) was the most widespread and abundant, followed by the Fusarium sambucinum (FSAMSC) and Fusarium fujikuroi species complexes (FFSC). In the subsequent analysis, we investigated the mycotoxin …
Social Transmission Of Predator Information Through Referential Alarm Calls Within And Across Species, Carly Trebac
Social Transmission Of Predator Information Through Referential Alarm Calls Within And Across Species, Carly Trebac
Honors Theses
Animals can encode information about a predator’s size, identity, or threat through alarm calls. This can provide referential information that can be used by individuals within and across species receiving the information. Referential alarm calls can encode information through changes in structure or rate of the call, and these variances in their call can elicit different responses, such as fleeing or mobbing, in conspecifics and heterospecifics. We aimed to investigate whether white-breasted nuthatch alarm calls can encode referential information and elicit different responses from conspecifics. Previous studies showed that a related species of nuthatch varies their call rate in the …
Center For Grassland Studies, March 2023
Center For Grassland Studies, March 2023
Center for Grassland Studies: Newsletters
Contents
New Assistant Director for The Center for Grassland Studies, David Wedin
Center for Grassland Studies Policy Advisory Committee
Director's Column by Jerry Volesky (Interim Director)
Congratulations December 2022 Graduates
New Grazing Lands Ecologist for Grassland Studies, Nic McMillan
New Administrative Associate for Grassland Studies, Ashley Branting
Apply Now for CGS Scholarships and Assistantship, https://grassland.unl.edu/grassland-systems/grazing-livestock-scholarships
New Guidelines for Reducing Eastern Redcedar in Grasslands by Dillon Fogarty
Year One Barta Brothers Ranch Collaborative Adaptive Management Update by Craig Allen
Nebraska Grazing Conference, August 8-9, 2023 by Daren Redfearn
Forty Years Reflection on Grassland Fire Weather by David Wedin
Nebraska Youth Range …
Remembering Paul Johnsgard, Linda R, Brown, Josef Kren
Remembering Paul Johnsgard, Linda R, Brown, Josef Kren
Zea E-Books Collection
Paul A. Johnsgard (1931–2021) was a friend of many, an artist, prolific author, teacher, and humble admirer of all living creatures. It was impossible to find someone at Nebraska Audubon Society or Nebraska Ornithologists’ Union meetings who did not know Paul Johnsgard. His more than 100 published books made him known not just in a community of ornithologists, birdwatchers, and bird lovers in the United States but also abroad. He was a world-renowned ornithologist and naturalist who remained deeply embedded in his local culture and its prairie environment.
We invited about 75 people to write a short memory of Paul. …
Survival In Common Snapping Turtles, Chelydra Serpentina (Testudines: Chelydridae), In Western Nebraska, John B. Iverson, Geoffrey R. Smith
Survival In Common Snapping Turtles, Chelydra Serpentina (Testudines: Chelydridae), In Western Nebraska, John B. Iverson, Geoffrey R. Smith
Faculty Publications
Annual estimates of survival for Common Snapping Turtles (Chelydra serpentina) in western Nebraska USA were generated from mark-recapture data from nesting females encountered in 2005–2017. Our population models suggested no annual variation in either adult annual survival (0.947 ± 0.017 SE) or annual capture probability (0.294 ± 0.027 SE). However, there was a tendency toward higher survival in larger females. High annual survival (e.g. > 90%) characterises populations of Chelydra from Ontario to Texas.
A Long-Term Vision For An Ecologically Sound Platte River, Andrew J. Caven, Melissa M. Mosier, Kristal Stoner, Bill Taddicken, Brice Krohn, Ashley Gramza, Craig R. Allen, Mike Carter, Michelle Koch, Kirk D. Schroeder, Sarah Bailey, Rich Walters, Brian C. Chaffin, Erica Gnuse, Amy Jones, Kate Bird
A Long-Term Vision For An Ecologically Sound Platte River, Andrew J. Caven, Melissa M. Mosier, Kristal Stoner, Bill Taddicken, Brice Krohn, Ashley Gramza, Craig R. Allen, Mike Carter, Michelle Koch, Kirk D. Schroeder, Sarah Bailey, Rich Walters, Brian C. Chaffin, Erica Gnuse, Amy Jones, Kate Bird
Zea E-Books Collection
The Platte River extends about 310 mi (499 km) from North Platte, Nebraska, to its terminus at the Missouri River confluence near Plattsmouth, Nebraska. The Platte River Valley is a continentally significant ecosystem that serves as a major stopover for migratory waterbirds in the Central Flyway including the endangered Whooping Crane (Grus americana) and >1 million Sandhill Cranes (Antigone canadensis) at the peak of spring migration. However, the Platte River Valley also supports a great diversity of avifauna including grassland breeding birds, native stream fish, vascular plants, herpetofauna, mammals, pollinators, and aquatic macroinvertebrates. Despite ongoing conservation …
The Southern Flying Squirrel (Glaucomys Volans) In Lincoln, Nebraska, Melissa J. Panella, Shaun M. Dunn, Thomas E. Labedz, Hugh H. Genoways
The Southern Flying Squirrel (Glaucomys Volans) In Lincoln, Nebraska, Melissa J. Panella, Shaun M. Dunn, Thomas E. Labedz, Hugh H. Genoways
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
The southern flying squirrel (Glaucomys volans) is considered a species of greatest conservation need in Nebraska and listed as threatened in the state. Historically, the geographic range of the southern flying squirrel in Nebraska has been restricted to five eastern counties from a northern suburb of Omaha, Douglas Co., southward in the four counties of Sarpy, Otoe, Nemaha, and Richardson, all bordering the Missouri River on the east. In late November of 2018, a resident of Lincoln, Lancaster Co., Nebraska, contacted the Nebraska Game and Parks Commission about an animal found dead in his yard. This animal proved …
Genetic Protocols For Dna Extraction From White-Tailed Deer Cast Antlers To Confirm Individuality, Zach Carter, Brian C. Peterson, Casey W. Schoenebeck, Kimberly A. Carlson
Genetic Protocols For Dna Extraction From White-Tailed Deer Cast Antlers To Confirm Individuality, Zach Carter, Brian C. Peterson, Casey W. Schoenebeck, Kimberly A. Carlson
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
White-tailed deer (Odocoileus virginianus) are the most sought-after deer species in America. The antlers of mammals, such as deer, are one of the fastest regenerative tissues in the world and are grown and naturally cast every year. Research on cast antlers have been used for a variety of purposes including population comparisons and impacts of deer health due to climatic stressors. When investigating cast antlers, it is important to confirm individuality of match sets in addition to antlers of the same individual between years. Therefore, individuality must be confirmed genetically, and protocols must be developed and established to …
Atrazine Levels In Rural Nebraska Counties And Parkinson's Disease, Muhammad Zahid
Atrazine Levels In Rural Nebraska Counties And Parkinson's Disease, Muhammad Zahid
Capstone Experience
Parkinson's disease (PD) is a multifactorial disorder, connecting both genetic susceptibility and environmental risk factors. Several epidemiological and experimental studies support the evidence that pesticides exposure is positively associated with enhancing neurodegenerative diseases. The high amount of atrazine used in Nebraska and increased PD cases led us to evaluate the association between the long-lived water-soluble pesticide atrazine and PD in Nebraska counties. A person's exposure to atrazine may come from inhalation, dermal absorption, and ingestion. Three types of atrazine data covering 1992 to 2017 were used for this study: applied atrazine, atrazine in surface water, and atrazine in groundwater. In …
First Reproductive Evidence For The Slender Glass Lizard (Ophisaurus Attenuatus) In Nebraska, Keith Geluso
First Reproductive Evidence For The Slender Glass Lizard (Ophisaurus Attenuatus) In Nebraska, Keith Geluso
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
The Slender Glass Lizard (Ophisaurus attenuatus) reproduces across parts of northern and central Kansas, but its distribution extends into southern Nebraska. In Nebraska, not a single aspect of reproductive activity has been reported for this species in the state. Herein, we report on the first documentation of reproduction in Nebraska. On 22 September 2021, we captured two hatchling Slender Glass Lizards at the Ash Grove Wildlife Management Area in Franklin County, Nebraska. We calculated that those individuals likely hatched around the first week of September. Presence and reproduction of Slender Glass Lizards at the study site likely was …
Center For Grassland Studies, March 2022
Center For Grassland Studies, March 2022
Center for Grassland Studies: Newsletters
Contents
New Course: Research Experiences in Grasslands by Dan Uden
Center for Grassland Studies Policy Advisory Committee
Director’s Column by Jerry Volesky (Interim Director)
Educational Trunk to Focus on Grasslands by Cheryl Dunn
Form a Team and Grab Your Clubs by Scott Holly
Collaborative Adaptive Management for the Barta Brothers Ranch by Craig Allen
Nebraska Range Short Course, June 20-23
Registration Opens for 2022 Nebraska Ranch Practicum by Troy Walz
Nebraska Sandhills Rates as World’s Most Intact Prairie by Scott Schrage
Nebraska Youth Range Camp, June 6-9, Nebraska College of Technical Agriculture, Curtis, Nebraska
Nest Records Of Nebraska Birds, Wayne J. Mollhoff
Nest Records Of Nebraska Birds, Wayne J. Mollhoff
Zea E-Books Collection
Nebraska Ornithologists' Union Occasional Paper Number 9
This publication is an attempt to provide a synopsis of the breeding information accumulated in the past two centuries. As with any compilation like this, other workers would likely come to different conclusions in choosing which records to accept and which to reject. I have tried to state the reasons for my decisions as clearly as possible. Most difficult to categorize are species which are not well documented. Hopefully by laying out the evidence I could find, others will be prompted to do more research, uncover definitive proof, and put more of our …
Center For Grassland Studies, November 2021
Center For Grassland Studies, November 2021
Center for Grassland Studies: Newsletters
Contents
Ranchers’ Preferences for Payment for Ecosystem Services Programs in Nebraska by Kyle Martens
Center for Grassland Studies Policy Advisory Committee
Director's Column by Walt Schacht (Interim Director)
Fall Army Worms Reared Their Ugly Heads and Wings in Nebraska in 2021by Roch Gaussoin
Dalbey-Halleck Open House by Margo McKendree
Internships – Let’s Get More Students on the Land! by Shelly Kelly
Jim Gerrish Insightful and Relatable for Grazing Livestock (GLS) Club Members
Importance Of Woodland Patches As Hibernacula For Gartersnakes In A Prairie River Floodplain Of Central Nebraska, Tony Bridger, Keith Geluso
Importance Of Woodland Patches As Hibernacula For Gartersnakes In A Prairie River Floodplain Of Central Nebraska, Tony Bridger, Keith Geluso
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
Gartersnakes are common inhabitants along prairie rivers in the Great Plains, but little information is known about hibernacula among diverse floodplain habitats. We radio-tracked Common Gartersnakes (Thamnophis sirtalis) and Plains Gartersnakes (Thamnophis radix) to hibernacula on islands in a braided river system subject to frequent environmental changes along the Platte River in central Nebraska. We further examined capture rates of gartersnakes in floodplain woodland patches from June to November to examine seasonal use of this habitat. In early and mid-September, movements of snakes with transmitters were in grasslands. From late September to mid-October, the farthest movements …
The Sandhill Crane State: A Naturalist’S Guide To Nebraska, Paul Johnsgard
The Sandhill Crane State: A Naturalist’S Guide To Nebraska, Paul Johnsgard
Zea E-Books Collection
This book includes the locations, descriptions, and points of biological, historical, geological, or paleontological interest of nearly 350 sites in Nebraska, most of which are free to access. Its 53,000 words include accounts of 9 state historical parks, 8 state parks, 2 national forests, 2 national monuments, and 7 national wildlife refuges as well as 181 wildlife management areas, 56 waterfowl production areas, and 54 state recreation areas. It also includes 48 state and county maps, 18 drawings, 33 photographs, and nearly 200 literature citations.
doi: 10.32873/unl.dc.zea.1305
Use Of Soapweed Yucca (Yucca Glauca) By Rodents And Other Vertebrates In Western Nebraska, Michael L. Rohde, Keith Geluso, Carter Kruse, Mary J. Harner
Use Of Soapweed Yucca (Yucca Glauca) By Rodents And Other Vertebrates In Western Nebraska, Michael L. Rohde, Keith Geluso, Carter Kruse, Mary J. Harner
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
Soapweed Yucca (Yucca glauca) is a conspicuous and common shrub in the Great Plains of North America, characterized by tall woody flower stalks, large flowers and seed pods, and dense masses of ground-level evergreen leaves. These plant structures can provide a variety of resources or functions to animals. In general, studies focus on single species associated with Y. glauca. We examined three groups of vertebrates that interacted with Y. glauca and the functions this plant provided for organisms in western Nebraska. We experimentally examined small mammals in areas with and without Y. glauca, and we descriptively …
Center For Grassland Studies, September 2021
Center For Grassland Studies, September 2021
Center for Grassland Studies: Newsletters
Contents
Nebraska Grazing Conference Recap by Daren Redfearn
Center for Grassland Studies Policy Advisory Committee
Director's Column by Walt Schacht (Interim Director)
Land Use and Property Taxes by Jordan Johnson
Congratulations August 2021 Graduates
Wildfires are Changing the Future of Nebraska’s Woodland-Grassland Complexes by Amanda Hefner
PGA WORKS Scholarship Recipients Announced by PGA Reach
Grazing Livestock Systems Internships Provide Diverse Experience by Bryan Reiling
Jim Choquette Receives Lifetime Achievement Award
Center For Grassland Studies, July 2021
Center For Grassland Studies, July 2021
Center for Grassland Studies: Newsletters
Contents
21st Nebraska Grazing Conference on the Horizon by Daren Redfearn
Center for Grassland Studies Policy Advisory Committee
Director's Column by Walt Schacht (Interim Director)
21st Annual Nebraska Grazing Conference Schedule, August 9-11, 2021
Club Officers Elected for FY 21-22 by Jessica Windh
2021 Fall Seminar Series Schedule
CGS Scholarships and Fellowship Awarded for FY 21-22
Congratulations May 2021 Graduates
James Davidson Fawcett (1933–2020): Imbibing With The Kiwi., Louis A. Somma
James Davidson Fawcett (1933–2020): Imbibing With The Kiwi., Louis A. Somma
Papers in Herpetology
An obituary and summary of the life of James D. Fawcett (1933-2020), herpetologist and instructor and professor of Biology at University of Nebraska at Omaha 1972-2015. Includes bibliography of his works, list of master's theses chaired, and recollections of former students.
Center For Grassland Studies, May 2021
Center For Grassland Studies, May 2021
Center for Grassland Studies: Newsletters
Contents
Prescribed Burn Associations by Brian Teeter
Center for Grassland Studies Policy Advisory Committee
Director's Column by Walt Schact (Interim Director)
Looking for a Career in Conservation – How to Apply in USAJOBS for NRCS Positions by Mary Reece
Monitoring Sandhills Rangelands: A Key Step in Understanding Plant Community Dynamics by Mitch Stephenson
Development of Novel Plant Fluorescence Based Techniques for Remote Assessment of Grasslands and Pastures Health and Resilience by Anastasios Mazis
UNL PGA Golf Management Alumni Among Nebraska Section Award Winners by Brad Goetsch
Nebraska’s Grassland Legacy by Walt Schacht
Nebraska Grazing Conference: Save the Date, August 9-11, …
Small Mammals Killed In Discarded Bottles Along Roadsides In Central Nebraska, Owen J. Johnson, Keith Geluso
Small Mammals Killed In Discarded Bottles Along Roadsides In Central Nebraska, Owen J. Johnson, Keith Geluso
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
Littered debris along roadways traps and kills small vertebrates. In Nebraska, at least 20 species of small mammals are small enough to enter openings of discarded bottles and cans. We surveyed roadsides for littered bottles and cans containing vertebrate remains in central parts of the state. We observed 459 bottles and 278 aluminum cans along 17.6 km of roadsides in Nebraska. Littered bottles contained 41 vertebrate remains representing nine taxa of small mammals. Glass bottles contained the majority of individuals, plastic bottles had a few individuals, and no vertebrate remains were detected in aluminum cans. Harvest mice (Reithrodontomys spp.) …
Lined Snake (Tropidoclonion Lineatum) Prescribed Fire Mortality, Carson Schultz, Andrew J. Caven
Lined Snake (Tropidoclonion Lineatum) Prescribed Fire Mortality, Carson Schultz, Andrew J. Caven
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
Functioning prairie ecosystems are characterized by periodic and cyclical disturbances (e.g., grazing, drought, fire, etc.). Grazing and fire were historically widespread drivers of habitat structure. Many native species are adapted to fire and rely on the diverse habitats it maintains in a range of successional states. Wildlife mortality is an inevitable result of many prescribed fires and various species of small terrestrial vertebrates with limited dispersal abilities are most commonly affected. Herein, we report on the detected mortality of an individual Lined Snake (Tropidoclonion lineatum) after a prescribed burn along a lowland tallgrass prairie - wet meadow ecotone in South …
Holocene Records Of Nebraska Mammals, Hugh H. Genoways
Holocene Records Of Nebraska Mammals, Hugh H. Genoways
Zea E-Books Collection
A survey of the archeological and paleontological literature allowed a compilation of Holocene records of mammals in Nebraska. This survey identified Holocene records from 338 sites in 62 of the 93 Nebraska counties. These counties were located throughout state, but there was a concentration of sites in southwestern Nebraska where there were 27 fossil sites in Frontier County and 22 in Harlan County. Fossils sites were underrepresented in the Sand Hills region. Records of fossil mammals covered the entire Holocene period from 13,000 years ago until AD 1850. A minimum of 57 species (with eight additional species potentially present) representing …
Phenology Of Antler Casting And Occurrence Of Late-Breeding In Nebraska White-Tailed Deer, Brian C. Peterson, Patrick D. Farrell, Dave Fehlhafer, Miranda C. Reinson, Dustin H. Ranglack
Phenology Of Antler Casting And Occurrence Of Late-Breeding In Nebraska White-Tailed Deer, Brian C. Peterson, Patrick D. Farrell, Dave Fehlhafer, Miranda C. Reinson, Dustin H. Ranglack
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
White-tailed deer (Odocoileus virginianus) in Nebraska primarily breed in November (stimulated by photoperiod), but this season extends into December and January for unfertilized females and healthy fawns reaching the appropriate breeding weight by winter. Variation in the typical mating period can be attributed to geographic region, skewed sex ratios, and fawns reaching sexual maturity during their first year of birth. During April of 2019, we observed late season breeding by a male white-tailed deer in the central Platte River valley and documented late antler casting for this same late-copulating male. An additional male was observed in April of …