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Articles 301 - 330 of 10493

Full-Text Articles in Animal Sciences

Oregon State Rank Assessment For Camas Pocket Gopher (Thomomys Bulbivorus), Eleanor P. Gaines Dec 2024

Oregon State Rank Assessment For Camas Pocket Gopher (Thomomys Bulbivorus), Eleanor P. Gaines

Institute for Natural Resources Publications

Oregon state conservation status assessment for Camas pocket gopher (Thomomys bulbiforus) using NatureServe methodology, 2024.


Analyzing Head Morphology Trends With Increasing Population Density In A Jamaican Lizard Species, Lillian Durand Dec 2024

Analyzing Head Morphology Trends With Increasing Population Density In A Jamaican Lizard Species, Lillian Durand

2024 Fall Honors Capstone Projects - Archive

Anolis lizards are model organisms for studying natural selection and evolutionary processes. One trait that is hypothesized to be advantageous for males is head size, as larger heads lead to stronger bite forces and increased likelihood in outcompeting other males for mates. To better understand how linked head size and intraspecific competition are, the head morphology of male A. lineatopus was analyzed among Jamaican populations with varying levels of population density. Population densities were determined using standardized plot surveys and mark resight models. Head dimensions and body condition for individual lizards were measured at each site. My study found that …


The Mayfly Newsletter, Donna Giberson Dec 2024

The Mayfly Newsletter, Donna Giberson

The Mayfly Newsletter

The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.


Lateral Dispersal Of Adult Trichoptera: Flight Distance And Traveling Pattern, Peilin Tan Dec 2024

Lateral Dispersal Of Adult Trichoptera: Flight Distance And Traveling Pattern, Peilin Tan

All Theses

Trichoptera species (caddisfly) are usually used as bio-indictors for surface water quality due to their sensitivity to environmental changes, and if assessing water quality with light-trapped adults, knowing their travelling patterns will improve the accuracy of such assessments. To investigate how far a caddisfly will migrate from their emerging stream, three streams in South Carolina with different widths (Wildcat Creek 1.2 m, Brasstown Creek 11.2 m and Chattooga River 26.95 m) were selected for this study with light traps placed at three distances (0 m, 50 m, 100 m) from the streams. How long and when? Both species richness and …


Fall Field Report, August–November 2024, W. Ross Silcock Dec 2024

Fall Field Report, August–November 2024, W. Ross Silcock

Nebraska Bird Review

First off, I should reiterate that records are only mentioned in this Introduction and in the text when they add to or fine-tune data included in BONO (Birds of Nebraska – Online (outdoornebraska.gov). It was my expectation that as the number of birders and in particular those reporting to eBird continue to increase, gaps in the database will be filled and my job will become simpler. However, this expectation is yet to be realized, likely due to increasing movements and activity among birds that appears to be due to increasing severity of weather events, such as heat, cold, and drought, …


First Breeding Confirmation For Red-Breasted Nuthatch (Sitta Canadensis) Along The Big Bend Reach Of The Platte River, Jacob C. Cooper, Cody Mcgregor, Letitia M. Reichart, Janet Steele Dec 2024

First Breeding Confirmation For Red-Breasted Nuthatch (Sitta Canadensis) Along The Big Bend Reach Of The Platte River, Jacob C. Cooper, Cody Mcgregor, Letitia M. Reichart, Janet Steele

Nebraska Bird Review

The Red-breasted Nuthatch (Sitta canadensis) is a highly nomadic species of North American nuthatch prone to large movements across the entire continent (Ghalambor and Martin 2020). This behavior has resulted in both a lack of geographic variation across the continent and propensity to colonize isolated patches of suitable habitat (Ghalambor and Martin 2020). In the Bessey District of the Nebraska National Forest (NNF), Red-breasted Nuthatches were one of the first coniferous-forest bird species to colonize and begin breeding in the isolated planted stands of pine (Zimmer 1913, Bray 1994). Despite the increasing number of records for the species …


Index To Volume 92 Dec 2024

Index To Volume 92

Nebraska Bird Review

Able, K. A. 131
Adams, H. 88
Alexander, Jan 33
Allard, Savannah 33
Allen: C.R. 167; Edward 58
Allison, Betty 34
Altman, Dakota 33
Ames, Cheryl 68
Amy, Peter 68
Anderson: Ann 157; Brett 32, 34; Logan 61; Rachel 33; Will 125
Andersson, Justin 34
Ani, Groove-billed 134
Archer, Kellen 33
Arends, Jim 34
Audubon, John J. 18, 19, 20
Austgen, Jane 34
Avocet, American 58, 92, 111, 148, 169

. . .

Zach, Joel 34
Zicafoose, Kirby 32
Zimmer, J.T. 167
Zimmerman, Kelsey 63
Zoller, Lawrence 61
Zonotrichia leucophrys: leucophrys 16, 72; oriantha 16, 72


Mccook Fall Field Days, Sept. 20–22, 2024, Gary Roberts Dec 2024

Mccook Fall Field Days, Sept. 20–22, 2024, Gary Roberts

Nebraska Bird Review

The 2024 NOU Fall Field Days were held in McCook on September 20–22, with approximately fifty-one people in attendance. The programs were held at McCook Community College Student Union. A special thanks to Boni Edwards and Jan Johnson for planning the meeting.

Field trips were led by Bill Flack—Medicine Creek Reservoir and Cambridge Park, Robin Harding—Red Willow Reservoir and Culbertson Trail, Joel Jorgenson—Swanson Reservoir and Hitchcock County, and T.J. Walker—Rock Creek Recreation Area and Dundy County. Counties included were Chase, Dundy, Frontier, Furnas, Hayes, Hitchcock, Lincoln, Perkins, and Red Willow.

A total of 139 species were observed with notable sightings …


The Nebraska Bird Review (December 2024) 92(4), Whole Issue Dec 2024

The Nebraska Bird Review (December 2024) 92(4), Whole Issue

Nebraska Bird Review

Fall Field Report, August–November 2024, by W. Ross Silcock

First Breeding Confirmation for Red-breasted Nuthatch (Sitta canadensis) along the Big Bend Reach of the Platte River, by Jacob C. Cooper, Cody McGregor, Letitia M. Reichart, and Janet Steele

McCook Fall Field Days, Sept. 20–22, 2024, by Gary Roberts

Index to Volume 92

Subscription and Organization Information


How Many Tiny Snails? Circumscription Of Three Species Of Pyrgulopsis (Mollusca: Gastropoda: Hydrobiidae)In Nevada Mountain Springs, Trenton Meadows Dec 2024

How Many Tiny Snails? Circumscription Of Three Species Of Pyrgulopsis (Mollusca: Gastropoda: Hydrobiidae)In Nevada Mountain Springs, Trenton Meadows

Theses and Dissertations

The springsnail genus Pyrgulopsis is one of the most diverse groups of freshwater gastropods in North America (Hershler, 2014), with many species displaying high levels of endemism (Hurt, 2003). This study attempts to circumscribe three putative species of springsnails: Pyrgulopsis serrata, Pyrgulopsis marcida, and a newly identified clade, referred to as Lineage C, from the Ruby Lake National Wildlife Refuge, Nevada, USA and nearby springs. Using an integrative taxonomic approach, we combined morphological, anatomical, and molecular data to examine species boundaries and evolutionary relationships.

Many lines of evidence were considered to determine species boundaries. Phylogenetic analysis of the mitochondrial …


Spatial Ecology Of American Bison On Vermejo Park Ranch, New Mexico, Kate Ann Asmus Dec 2024

Spatial Ecology Of American Bison On Vermejo Park Ranch, New Mexico, Kate Ann Asmus

School of Natural Resources: Dissertations, Theses, and Student Research

American bison (Bison bison) are a keystone species that impact grassland productivity, plant diversity, and landscape heterogeneity. We used GPS telemetry and a replicate herbivore grazing experiment on Vermejo Park Ranch in northeastern New Mexico to advance understanding of bison spatial ecology and grazing dynamics. First, we evaluated the potentially disparate influences of forage productivity and site fidelity on the size and selection of home ranges of bison. Home range size was strongly negatively influenced by forage productivity. However, home range selection was influenced more strongly by site fidelity than spatial variation in forage, as bison selected home …


The Bacterial Cell Wall Components Lipopolysaccharide And Peptidoglycan Initiate Divergent Local Tissue And Systemic Inflammatory Response Profiles In The Chicken Model, Kristen A. Byrne, Gisela F. Erf Dec 2024

The Bacterial Cell Wall Components Lipopolysaccharide And Peptidoglycan Initiate Divergent Local Tissue And Systemic Inflammatory Response Profiles In The Chicken Model, Kristen A. Byrne, Gisela F. Erf

Poultry Science Faculty Publications and Presentations

The innate immune system plays an important role in the early defense against pathogens. To better understand the chicken’s innate inflammatory responses, we concurrently examined the cellular responses at the injection site and in the blood following intradermal (i.d.) injections of lipopolysaccharide (LPS) or peptidoglycan (PGN) into the pulp of growing feathers (GFs). Both LPS from Gram-negative bacteria and PGN from Gram-positive bacteria are potent stimulators of innate inflammatory responses. The time-course study conducted revealed similarly elevated levels of heterophils and macrophages in injected GF-pulps during the first 24 h for both LPS and PGN. However, PGN also stimulated rapid …


Finding Them Before They Find Us: Solving The Emerging Infectious Disease Crisis, Daniel R. Brooks Nov 2024

Finding Them Before They Find Us: Solving The Emerging Infectious Disease Crisis, Daniel R. Brooks

MANTER: Journal of Parasite Biodiversity

The human population grows daily, it’s on the move, and it’s carving a deep technological footprint on our planet. We alter landscapes and perturb ecosystems, inserting ourselves and other species into novel regions of the world, leading to potentially irreversible changes in the biosphere. This is not news. More than 75 years ago, Charles Elton, one of the founders of modern ecology, wrote, “We must make no mistake; we are seeing one of the greatest historical convulsions in the world’s fauna and flora.” We are also in the midst of a public health and epidemiological crisis. Climate change alters movements …


Red Snapper (Lutjanus Campechanus) Neurocranium, Michelle Bassali, Anthony D'Auria, David Kerstetter Nov 2024

Red Snapper (Lutjanus Campechanus) Neurocranium, Michelle Bassali, Anthony D'Auria, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


Variation In Diet And Leafy Browse Offerings Amongcolobus Monkeys (Colobus Spp.) And Langurs(Trachypithecus Spp.) In Aza Facilities, Maura R. Plocek, Noah T. Dunham Nov 2024

Variation In Diet And Leafy Browse Offerings Amongcolobus Monkeys (Colobus Spp.) And Langurs(Trachypithecus Spp.) In Aza Facilities, Maura R. Plocek, Noah T. Dunham

Student Scholarship

Providing nutritionally balanced diets is a key aspect of successful husbandry and can help support sustainable ex situ populations. This study focuses on the diets of zoo‐housed colobus monkeys (Colobus angolensis and C. guereza) and langurs (Trachypithecus cristatus and T. francoisi) across AZA institutions. We utilized survey responses from 34 institutions to (1)document the extent of dietary variation with regard to food categories and macronutrients offered, (2) assess interspecific variation in diets offered, and (3) identify important aspects of browse provisioning among institutions. A total of 95 different food items and 229 common‐name browse types were …


Largemouth Bass Neurocranium, Owen Duerbeck, Ian Thelwell, Oliva Weeks Nov 2024

Largemouth Bass Neurocranium, Owen Duerbeck, Ian Thelwell, Oliva Weeks

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


Black Grouper Neurocranium, Angelina Trapani-Banyra, Victoria Bruno, Mason Schleicher Nov 2024

Black Grouper Neurocranium, Angelina Trapani-Banyra, Victoria Bruno, Mason Schleicher

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


Dog Sniffing Biomechanic Responses In An Odor Detection Test Of Odorants With Differing Physical Properties, Lydia Burnett, Nicholas Hebdon, Pete A. Stevens, Monica Moljo, Lindsay D. Waldrop, Lauryn Degreeff Nov 2024

Dog Sniffing Biomechanic Responses In An Odor Detection Test Of Odorants With Differing Physical Properties, Lydia Burnett, Nicholas Hebdon, Pete A. Stevens, Monica Moljo, Lindsay D. Waldrop, Lauryn Degreeff

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

Dogs are utilized in forensic science for their extensive scent detection capabilities. They are often considered the “gold standard” in field detection for targets such as illicit drugs and explosives. Despite their prevalence in the field, relatively little is known about how dogs interact with and transport volatile organic compounds through their olfactory system. In this study, two groups of dogs were utilized – Sport detection dogs (n=19) that participate in the National Association of Canine Scent Work and have achieved advanced standing through training and successful search competitions and law enforcement explosive detection dogs (n=8) which were included for …


Snakehead Neurocranium, Alexis K. Crass, Megan E. Martiello, Matthew D. Gassmann, David Kerstetter Nov 2024

Snakehead Neurocranium, Alexis K. Crass, Megan E. Martiello, Matthew D. Gassmann, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


Alabama Agricultural Producers’ Experiences With Wild Pigs (Sus Scrofa) And Their Preferences Concerning Wild Pig Management, Hailey E. Ellis, Luren M. Jaebker, Alan D. Bright, Mark D. Smith, Keith M. Carlisle Nov 2024

Alabama Agricultural Producers’ Experiences With Wild Pigs (Sus Scrofa) And Their Preferences Concerning Wild Pig Management, Hailey E. Ellis, Luren M. Jaebker, Alan D. Bright, Mark D. Smith, Keith M. Carlisle

United States Department of Agriculture Wildlife Services: Staff Publications

Government agencies and landowners use a variety of lethal methods to reduce invasive wild pig populations and resulting agricultural damages. To provide decision-makers with information regarding Alabama farmers’ experiences with wild pigs and their preferences for management actions, we surveyed Alabama Farmers Federation members in 2020. We found that wild pigs were commonly present on livestock, timber, and crop production acreage, but wild pig damages and costs were much more common among crop producers. Respondents' wildlife acceptance capacity for wild pigs was low and all lethal control methods were considered aceptable by most reposndents, particularly those performed by landowners. While …


Black Grouper Neurocranium, Grace K. Triplett, Katelyn A. Mckimmy, Lacey Adamik, David Kerstetter Nov 2024

Black Grouper Neurocranium, Grace K. Triplett, Katelyn A. Mckimmy, Lacey Adamik, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


Tityopsis Rolandoi Sp. N. (Scorpiones: Buthidae) From Cuba, František Kovařík, Mark Stockmann, František Šťáhlavský, Sheyla Yong Nov 2024

Tityopsis Rolandoi Sp. N. (Scorpiones: Buthidae) From Cuba, František Kovařík, Mark Stockmann, František Šťáhlavský, Sheyla Yong

Euscorpius

A new species Tityopsis rolandoi sp. n. is described from Cuba, fully illustrated with color photos showing its morphology and habitus. T. rolandoi sp. n. is the only species of the genus with a combination of two characters: movable finger shorter than carapace and chela length/width ratio 3.6 in male. This species also has a characteristic shape of a median smooth patch of sternite V, which is almost oval in male. In addition to morphology, we present the information about the karyotype of T. rolandoi sp. n. (2n=20) and T. sheylae (2n=22).


Habitat Preferences Of The Hiwassee Crayfish (Cambarus Hiwasseensis) And Appalachian Brook Crayfish (Cambarus Bartonii Cavatus) In A Headwater Stream, Johnathan G. Davis Nov 2024

Habitat Preferences Of The Hiwassee Crayfish (Cambarus Hiwasseensis) And Appalachian Brook Crayfish (Cambarus Bartonii Cavatus) In A Headwater Stream, Johnathan G. Davis

Georgia Journal of Science

The Hiwassee crayfish Cambarus hiwasseensis (CH) is an endemic species to the Hiwassee River watershed in north Georgia and western North Carolina that is sympatric with the more widespread Appalachian Brook crayfish Cambarus bartonii cavatus (CB). This was the first study to investigate CH habitat use, comparing CH habitat to CB habitat in Corn Creek, a small, second-order stream in the Hiwassee River watershed. From August to November 2016 and January to April 2018, 15 habitat parameters were measured for 154 1-m2 quadrants randomly sampled from an 800-m stream reach. Mann-Whitney U tests compared habitat parameters between present and …


Red Snapper Neurocranium, Roman Devlin, Michael A. Birnbaum, David Kerstetter Nov 2024

Red Snapper Neurocranium, Roman Devlin, Michael A. Birnbaum, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

No abstract provided.


A New Pycnogonid Species From Türkiye: Anoplodactylus Gullukensis N. Sp. (Pycnogonida, Phoxichilidiidae), With An Identification Key To The Turkish Species Of The Genus, Cengi̇z Koçak Nov 2024

A New Pycnogonid Species From Türkiye: Anoplodactylus Gullukensis N. Sp. (Pycnogonida, Phoxichilidiidae), With An Identification Key To The Turkish Species Of The Genus, Cengi̇z Koçak

Turkish Journal of Zoology

A new species of pycnogonid collected from the shallow waters in Güllük Bay (Aegean Sea), Anoplodactylus gullukensis n. sp., is described and illustrated. Description of taxonomic characters of this species are given and differences from related species are indicated. An identification key for Anoplodactylus species known from Türkiye is provided.


Length-Weight Relationships And Condition Factor Of 30 Species From The Upper Syr Darya Drainage, Uzbekistan, Obboskhon Azamov, Sharofiddin Khalimov, Sultonbek Gulomov, Dildorakhon Komilova, Yorkinoy Kayumova, Murodjon Rakhmonov, Shahnoza Abdulatipova, Ominakhon Gafurova, Kholidakhon Komilova, Mushtariy Asrolova, Dilafruz Urmonova, Bakhtiyor Sheraliev Nov 2024

Length-Weight Relationships And Condition Factor Of 30 Species From The Upper Syr Darya Drainage, Uzbekistan, Obboskhon Azamov, Sharofiddin Khalimov, Sultonbek Gulomov, Dildorakhon Komilova, Yorkinoy Kayumova, Murodjon Rakhmonov, Shahnoza Abdulatipova, Ominakhon Gafurova, Kholidakhon Komilova, Mushtariy Asrolova, Dilafruz Urmonova, Bakhtiyor Sheraliev

Turkish Journal of Zoology

Length-weight relationships (LWR) were estimated for 30 fish species i.e. Abbottina rivularis, Alburnus chalcoides, A. oblongus, A. taeniatus, Carassius gibelio, Channa argus, Cottus spinulosus, Cyprinus carpio, Gambusia holbrooki, Glyptosternon oschanini, Gobio lepidolaemus, Hemiculter leucisculus, Hypophthalmichthys nobilis, Iskandaria kuschakewitschi, Luciobarbus conocephalus, Micropercops cinctus, Opsariichthys bidens, Pelecus cultratus, Petroleuciscus squaliusculus, Pseudorasbora parva, Rhinogobius cf. lindbergi, Rhodeus ocellatus, Sabanejewia aralensis, Salmo oxianus, Schizothorax eurystomus, Triplophysa daryoae, T. elegans, T. ferganaensis, T. labiata, and T. strauchii from the Upper Syr Darya drainage, Uzbekistan. The LWR parameters were determined using a linear logarithmic regression model of weight against length in which values for the slope …


Diversity And Evenness Of Birds During Seasonal Paddy Farming Practice In Southwestern Sarawak, Ivana Berlinda Bilang, Mohamad Fizl Sidq Ramji, Siti Nurlydia Sazali, Andrew Alek Tuen, Wan Nurainie Wan Ismail Nov 2024

Diversity And Evenness Of Birds During Seasonal Paddy Farming Practice In Southwestern Sarawak, Ivana Berlinda Bilang, Mohamad Fizl Sidq Ramji, Siti Nurlydia Sazali, Andrew Alek Tuen, Wan Nurainie Wan Ismail

Turkish Journal of Zoology

The influence of seasonal paddy farming activities on the paddy field environment and its composition of birds could be visually observed but has yet to be systematically studied and is still relatively understudied in Malaysian Borneo. Earlier research relied solely on point counts and not using line transects or mist nets for data collection could have resulted in missing and biased findings. Thus, this study aims to evaluate and compare species diversity and evenness of birds in different paddy stages in southwestern Sarawak with previous studies conducted in the region. We reported a higher species richness than previous reports from …


Understanding The Welfare Of Aquarium Fish, Paul Rose Nov 2024

Understanding The Welfare Of Aquarium Fish, Paul Rose

Animal Sentience

Bony fishes (Osteichthyes) are prevalent in public and domestic aquaria, yet evidence-based welfare practices exist for only a limited number of species. Oldfield & Bonano’s (O&B’s) target article highlights critical questions about the wellbeing and sociality of Osteichthyes. Advancing research on their biology, physiology, psychology, and behavior is essential to develop and validate welfare measures, ensuring guidelines for welfare-focused housing and husbandry.


Not Just Any Tree: The Influence Of Leaf Characteristics On The Nest Site Selection Ofasian Weaver Ants, Amira Aqilah Muhammad, Noorhidayah Mamat, Kien-Thai Yong, Nurul Ashikin Abdullah Nov 2024

Not Just Any Tree: The Influence Of Leaf Characteristics On The Nest Site Selection Ofasian Weaver Ants, Amira Aqilah Muhammad, Noorhidayah Mamat, Kien-Thai Yong, Nurul Ashikin Abdullah

Turkish Journal of Zoology

The connection between plant species and nest site preference for the Asian weaver ant Oecophylla smaragdina remainspoorly understood despite their common occurrence in the urban areas of tropical regions. We predicted that plant species with specificleaf characteristics influence the nesting preference of Asian weaver ants, given that plant foliage is the main component of their neststructure. We studied the leaf characteristics of the tree species in which their nests were detected, including leaf shape, leaf apex shape,and leaf arrangement. Of the 206 total trees among the 20 tree species sampled, 185 trees from 18 tree species had at least one …


Determination Of Spermatogenesis Activity Using Lectin Histochemistry In Water Monitorlizards (Varanus Salvator) Harvested From The Wild, Andhika Yudha Prawira, Ni Luh Putu Rischa Phadmacanty, Gono Semiadi, Hellen Kurniati, Wahyu Trilaksono, Nurhidayat Nurhidayat, Savitri Novelina Nov 2024

Determination Of Spermatogenesis Activity Using Lectin Histochemistry In Water Monitorlizards (Varanus Salvator) Harvested From The Wild, Andhika Yudha Prawira, Ni Luh Putu Rischa Phadmacanty, Gono Semiadi, Hellen Kurniati, Wahyu Trilaksono, Nurhidayat Nurhidayat, Savitri Novelina

Turkish Journal of Zoology

Lectin is often used to investigate the differentiation and maturation of spermatogenic cells in the testes of several wild animals, facilitating the screening of mature individuals. Therefore, this study aimed to determine spermatogenesis activity using lectin histochemistry in water monitor lizards harvested from the wild. Testes of 43 comprehensively examined water monitor lizards (Varanus salvator) were collected from slaughterhouses in Palembang (Sumatra) and Banten (West Java), Indonesia, with Snout-Vent Length (SVL) ranging from 39 to 96 cm. Additionally, histologic, histomorphometric, Periodic Acid-Schiff (PAS) staining, and lectin histochemistry (Con A, RCA, WGA, PNA, VVA, DBA, UAE-I) observations were performed. The results …