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2017

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Articles 91 - 120 of 374

Full-Text Articles in Zoology

Early Emergence And Seasonality Of The Red-Bellied Snake (Storeria Occipitomaculata) Along The Platte River In South-Central Nebraska, Usa, Simon P. Tye, Keith Geluso, Mary J. Harner Mar 2017

Early Emergence And Seasonality Of The Red-Bellied Snake (Storeria Occipitomaculata) Along The Platte River In South-Central Nebraska, Usa, Simon P. Tye, Keith Geluso, Mary J. Harner

Transactions of the Nebraska Academy of Sciences and Affiliated Societies

The Red-bellied Snake (Storeria occipitomaculata) primarily inhabits moist woodlands of eastern North America, with two disjunct populations occurring in the Great Plains, one of which is in south-central Nebraska. This species is listed as at-risk in Nebraska, in part, due to being uncommon with limited information available about the ecology and natural history of this isolated population. We amassed 48 observations of Red-bellied Snakes in Nebraska from museum specimens and published accounts, including our observations and others reported to us published herein. The previous earliest documented date of spring emergence was 6 April from a specimen collected in …


Patterns Of Morphological And Molecular Evolution In The Antillean Tree Bat, Ardops Nichollsi (Chiroptera: Phyllostomidae), Roxanne J. Larsen, Peter A. Larsen, Caleb D. Phillips, Hugh H. Genoways, Gary G. Kwiecinski, Scott C. Pedersen, Carleton J. Phillips, Robert J. Baker Mar 2017

Patterns Of Morphological And Molecular Evolution In The Antillean Tree Bat, Ardops Nichollsi (Chiroptera: Phyllostomidae), Roxanne J. Larsen, Peter A. Larsen, Caleb D. Phillips, Hugh H. Genoways, Gary G. Kwiecinski, Scott C. Pedersen, Carleton J. Phillips, Robert J. Baker

University of Nebraska State Museum: Mammalogy Papers

Species endemic to oceanic islands offer unique insights into the mechanisms underlying evolution and have served as model systems for decades. Often these species show phenotypic variation that is correlated with the ecosystems in which they occur and such correlations may be a product of genetic drift, natural selection, and/or environmental factors. We explore the morphologic and genetic variation within Ardops nichollsi, a species of phyllostomid bat endemic to the Lesser Antillean islands. Ardops nichollsi is an ideal taxon to investigate the tempo of evolution in Chiroptera, as it: is a recently derived genus in the family Phyllostomidae; contains …


The Long Shadow Of Senescence: Age Impacts Survival And Territory Defense In Loons, Walter H. Piper, Kristin M. Brunk, Joel A. Flory, Michael W. Meyer Mar 2017

The Long Shadow Of Senescence: Age Impacts Survival And Territory Defense In Loons, Walter H. Piper, Kristin M. Brunk, Joel A. Flory, Michael W. Meyer

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

Senescence, increased mortality that occurs among animals of advanced age, impacts behavior and ecology in many avian species. We investigated actuarial, reproductive, and behavioral senescence using capture, marking, and resighting data from a 26-year study of common loons (Gavia immer). Territorial residents of both sexes exhibited high annual survival (0.94) until their mid 20s, at which point survival fell to 0.76 and 0.77 in males and females, respectively. Sexual symmetry in actuarial senescence is somewhat surprising in this species, because males make a substantially greater investment in territory defense and chick-rearing and because males engage in lethal contests for territory …


2016 Christmas Bird Counts, Don Paseka Mar 2017

2016 Christmas Bird Counts, Don Paseka

Nebraska Bird Review

Fourteen Nebraska counts were held during the 2016 CBC season, which is one less than last year. The Harrison and Crawford counts were cancelled this year, but in the opposite corner of the state, a new count was started that includes Indian Cave State Park. An unusually mild November and a seasonable start to December were followed by a modest cold snap during the second week of the month. The Harlan County count was run early in the period on the 15th with ample open water, and it produced a record number of species (90) for that circle. But in …


Annual Color Photo Section 2017, The Nebraska Bird Review Mar 2017

Annual Color Photo Section 2017, The Nebraska Bird Review

Nebraska Bird Review

For our color photo section this year we asked especially for photos of birds in unexpected places. The images on this page and the following two pages show birds in surprising locations or unusual geographic ranges.

32 images

Canyon Wren in wheel of the photographer’s Subaru at Mary Sue Shoemaker’s ranch in central Cherry Co, 20 Nov 2016. 5th record of this species for Nebraska. Photo by Joel Jorgensen.

Great Horned Owl at water feature in the photographer’s yard, Dixon Co., 18 April 2017. Photo by Jan Johnson.

Brambling, 4th record in Nebraska, coming to the feeders at the home …


Winter Field Report, December 2016 To February 2017, W. Ross Silcock Mar 2017

Winter Field Report, December 2016 To February 2017, W. Ross Silcock

Nebraska Bird Review

This was an interesting winter from several standpoints. The trend of unexpected winter occurrences and earlier arrivals in “spring” continued. Mid-winter records of several species were notable: Rock Wren, Marsh Wren, American Pipit, Pine Warbler, and Chipping Sparrow. Rarities (see below) that could be considered in this category as well were Golden-crowned Sparrow and Lesser Goldfinch. For earlier arrivals, there was a noticeable influx 14-18 Feb of various species that provided rather early dates for those species. In this group were Blue-winged Teal, Ruddy Duck, Double-crested Cormorant, American White Pelican, and Turkey Vulture.

Some amazing numbers were reported, including a …


The Nebraska Bird Review, Volume 85 March 2017 Number 1 Mar 2017

The Nebraska Bird Review, Volume 85 March 2017 Number 1

Nebraska Bird Review

Winter Field Report, Dec. 2016–Feb. 2017, by W. Ross Silcock … 2–22 & 31

Annual Color Photo Section … 23–30

Brambling in Bellevue, Sarpy County by Loren and Babs Padelford … 32–33

2016 Christmas Bird Counts, by Don Paseka … 34–49

NOU Annual Treasurer's Report for 2016, by Jan Johnson … 50

Subscription and Organization Information … 51


Brambling In Bellevue, Sarpy County, Loren Padelford, Babs Padelford Mar 2017

Brambling In Bellevue, Sarpy County, Loren Padelford, Babs Padelford

Nebraska Bird Review

As we were having breakfast on January 8, 2017, we spotted an unusuallooking bird with House Sparrows in the tree above our deck. After consulting the National Geographic field guide, we determined it was a Brambling. Soon it was feeding on the deck where we were able to get some photos. It was first spotted at 9:25 a.m. and again at 10:30. We put the information on NEBirds and by late morning birders began to arrive.The first group saw the bird at 12:02. By early afternoon we had standing room only in our family room. The bird appeared again at …


Homestead National Monument Of America, Bat Acoustic Monitoring, September 2016, Daniel S. Licht Mar 2017

Homestead National Monument Of America, Bat Acoustic Monitoring, September 2016, Daniel S. Licht

United States National Park Service: Publications

Abstract

Homestead National Monument of America is a 211-acre park located in an agrarian landscape in southeastern Nebraska. From September 16 to October 1, 2016, park staff deployed acoustic monitors at three sites in the park for purposes of monitoring night-time bat activity. The three sites averaged 179, 48, and 33 bat detections per night. Night-time bat activity was generally highest in the 1-2 hours following sunset.

Based on the acoustic surveys the big brown (Eptesicus fuscus), eastern red (Lasiurus borealis), northern long-eared (Myotis septentrionalis) and evening bats (Nycticeius humeralis) were present at the …


Plasma Metabolites Reveal Changes In Physiological State Of Eared Grebes (Podiceps Nigricollis) During Three Non-Migratory Periods, Allison A. Yoshida Mar 2017

Plasma Metabolites Reveal Changes In Physiological State Of Eared Grebes (Podiceps Nigricollis) During Three Non-Migratory Periods, Allison A. Yoshida

Theses

Energy storage and use during the annual cycle of migratory birds is dynamic especially during migration. However, considerable amounts of the annual cycle are spent not migrating, and the physiological state of birds during these non-migratory periods is not well understood. We compared plasma metabolites (TRIG, BUTY, URIC, GLY) in Eared Grebes (Podiceps nigricollis) residing at three important areas when they are not migrating: fall staging (postbreeding at Mono Lake, California), spring staging (pre-breeding at Great Salt Lake, Utah), and an extended stopover prior to spring staging (Salton Sea, California). Plasma metabolites were also measured in resting and active grebes …


Serradigitus Miscionei, The First Vaejovid Scorpion To Exhibit Parthenogenesis, Richard F. Ayrey Feb 2017

Serradigitus Miscionei, The First Vaejovid Scorpion To Exhibit Parthenogenesis, Richard F. Ayrey

Euscorpius

Thelytokous parthenogenesis (all-female broods) is strongly suggested for the vaejovid species Serradigitus miscionei (Vaejovidae) from southern Arizona, USA. This conclusion is based on the examination of 187 specimens and 15 broods, all determined as females.


The Missing Piece Of The Puzzle Solved: Heteronebo Pocock, 1899 (Scorpiones: Scorpionidae) Occurs At Isla De Pinos, Cuba, Rolando Teruel, Tomás M. Rodríguez-Cabrera Feb 2017

The Missing Piece Of The Puzzle Solved: Heteronebo Pocock, 1899 (Scorpiones: Scorpionidae) Occurs At Isla De Pinos, Cuba, Rolando Teruel, Tomás M. Rodríguez-Cabrera

Euscorpius

The diplocentrine scorpion genus Heteronebo Pocock, 1899 is recorded herein for the first time from Isla de Pinos, southwestern Cuba. A total of 15 specimens of Heteronebo bermudezi (Moreno, 1938) were collected in two nearby localities of the southern coast of the island, where it occurs in exactly the same habitat previously known for this species in Guanahacabibes Peninsula and two cays of Canarreos Archipelago. The allegedly polytypic status of this species is also revised and full species rank is restored to the subspecies Heteronebo bermudezi morenoi (Armas, 1973). An updated distribution map of H. bermudezi is provided.


Gait Changes In A Line Of Mice Artificially Selected For Longer Limbs, Leah M. Sparrow, Emily Pellattt, Sabrina S. Yu, David A. Raichlen, Herman Pontzer, Campbell Rolian Feb 2017

Gait Changes In A Line Of Mice Artificially Selected For Longer Limbs, Leah M. Sparrow, Emily Pellattt, Sabrina S. Yu, David A. Raichlen, Herman Pontzer, Campbell Rolian

Publications and Research

In legged terrestrial locomotion, the duration of stance phase, i.e., when limbs are in contact with the substrate, is positively correlated with limb length, and negatively correlated with the metabolic cost of transport. These relationships are well documented at the interspecific level, across a broad range of body sizes and travel speeds. However, such relationships are harder to evaluate within species (i.e., where natural selection operates), largely for practical reasons, including low population variance in limb length, and the presence of confounding factors such as body mass, or training. Here, we compared spatiotemporal kinematics of gait in Longshanks, a long-legged …


Rapid Increase In Genetic Diversity In An Endemic Patagonian Tuco-Tuco Following A Recent Volcanic Eruption, Jeremy L. Hsu, Sharon Kam, Mauro N. Tammone, Eileen A. Lacey, Elizabeth A. Hadly Feb 2017

Rapid Increase In Genetic Diversity In An Endemic Patagonian Tuco-Tuco Following A Recent Volcanic Eruption, Jeremy L. Hsu, Sharon Kam, Mauro N. Tammone, Eileen A. Lacey, Elizabeth A. Hadly

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

Catastrophic natural events can have profound impacts on patterns of genetic diversity. Due to the typically unpredictable nature of such phenomena, however, few studies have been able to directly compare patterns of diversity before and after natural catastrophic events. Here, we examine the impacts of a recent volcanic eruption in southern Chile on genetic variation in the colonial tuco-tuco (Ctenomys sociabilis), a subterranean species of rodent endemic to the area most affected by the June 2011 eruption of the Puyehue-Cordón Caulle volcanic complex. To provide a comparative context for interpreting changes in genetic variation in this species, we …


Molecular And Morphological Data Reveal Three New Cryptic Species Of Chiasmocleis (Mehely 1904) (Anura, Microhylidae) Endemic To The Atlantic Forest, Brazil, Mauricio C. Forlani, João F. R. Tonini, Carlos A. G. Cruz, Hussam Zaher, Rafael O. De Sá Feb 2017

Molecular And Morphological Data Reveal Three New Cryptic Species Of Chiasmocleis (Mehely 1904) (Anura, Microhylidae) Endemic To The Atlantic Forest, Brazil, Mauricio C. Forlani, João F. R. Tonini, Carlos A. G. Cruz, Hussam Zaher, Rafael O. De Sá

Biology Faculty Publications

Three new cryptic species of Chiasmocleis from the Atlantic Forest of Brazil are described. Two of these species occur in the northeastern states of Sergipe and Bahia, whereas the third species is found in the southeastern state of São Paulo. The new species can be distinguished from other congeneric species by the molecular data, as evidenced in the phylogeny, and by a combination of morphological characters including: size, foot webbing, dermal spines, and coloration patterns. Chiasmocleis species differ in osteological traits, therefore we also provide an osteological description of each new species and comparisons with data reported for other species …


Niche By Basma Kavanagh, Vivian M. Hansen Feb 2017

Niche By Basma Kavanagh, Vivian M. Hansen

The Goose

Review of Basma Kavanagh's Niche.


Centruroides Thorellii (Scorpiones: Buthidae): Traveling From Guatemala To England Without A Passport, Rony E. Trujillo, Luis F. De Armas, Darren Mansfield Feb 2017

Centruroides Thorellii (Scorpiones: Buthidae): Traveling From Guatemala To England Without A Passport, Rony E. Trujillo, Luis F. De Armas, Darren Mansfield

Euscorpius

We recorded a pregnant female of the Central American bark stripped scorpion Centruroides thorellii (Kraepelin, 1891), which arrived to England as a stowaway in the bag of a woman that previously visited the Departments of Sacatepéquez, Sololá and San Marcos, Guatemala. On January 2, this C. thorellii female had a litter of three off-spring and three infertile eggs, but she has eaten them, probably as consequence of the stress caused by the hard travel and the environmental changes. We provide a map with the geographical distribution of this species and photos of the female detected in a British train.


Scorpions Of The Horn Of Africa (Arachnida: Scorpiones). Part X. Pandiborellius Stat. N. And Pandinurus (Scorpionidae) With Description Of Four New Species From Eritrea And Ethiopia, And Review Of Pandinus Sensu Lato Taxonomy, František Kovařík, Graeme Lowe, Michael E. Soleglad, Jana Plíškova Feb 2017

Scorpions Of The Horn Of Africa (Arachnida: Scorpiones). Part X. Pandiborellius Stat. N. And Pandinurus (Scorpionidae) With Description Of Four New Species From Eritrea And Ethiopia, And Review Of Pandinus Sensu Lato Taxonomy, František Kovařík, Graeme Lowe, Michael E. Soleglad, Jana Plíškova

Euscorpius

We introduce a new system of classification for the subfamily Scorpioninae Latreille, 1802 which includes genera Heterometrus Ehrenberg, 1828, Opistophthalmus C. L. Koch, 1837, Pandiborellius Rossi, 2015 stat. n., Pandinoides Fet, 1997, Pandinops Birula, 1913, Pandinurus Fet, 1997, Pandinus (Pandinus) Thorell, 1876, Pandinus (Pandinopsis) Vachon, 1974 stat. n., Pandinus (Pandipalpus) Rossi, 2015 stat. n., and Scorpio Linné, 1758. We provide a checklist of 41 valid species and their synonyms of Pandinus sensu lato. We revise Horn of Africa genera Pandiborellius stat. n. and Pandinurus; all …


Habitat Selection By The Northern Long-Eared Myotis (Myotis Septentrionalis) In The Midwestern United States: Life In A Shredded Farmscape, Jeremy A. White, Patricia Freeman, Cliff A. Lemen Jan 2017

Habitat Selection By The Northern Long-Eared Myotis (Myotis Septentrionalis) In The Midwestern United States: Life In A Shredded Farmscape, Jeremy A. White, Patricia Freeman, Cliff A. Lemen

Transactions of the Nebraska Academy of Sciences and Affiliated Societies

Populations of the Northern Long-Eared Myotis (Myotis septentrionalis) have declined dramatically in recent years in eastern North America due to white-nose syndrome. Although M. septentrionalis was once common in parts of eastern North America, few studies have examined habitat selection of this species in an agricultural landscape. We used acoustical methods to quantify bat activity and construct a habitat model of M. septentrionalis in an intensively farmed area in the Midwestern United States, where mortality from white-nose syndrome has not yet been observed. Our study confirms that M. septentrionalis prefers forest and avoids open habitats in this agricultural …


The Mayfly Newsletter, Donna J. Giberson Jan 2017

The Mayfly Newsletter, Donna J. Giberson

The Mayfly Newsletter

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


A New Species Of The “Apacheanus” Group Of Genus Pseudouroctonus From Western Texas (Scorpiones: Vaejovidae), Richard F. Ayrey, Michael E. Soleglad Jan 2017

A New Species Of The “Apacheanus” Group Of Genus Pseudouroctonus From Western Texas (Scorpiones: Vaejovidae), Richard F. Ayrey, Michael E. Soleglad

Euscorpius

A new species of the “apacheanus” group of genus Pseudouroctonus is described from western Texas, USA, Pseudouroctonus brysoni, sp. nov. This new species is closely related to P. apacheanus (Gertsch et Soleglad, 1972) and two other species recently described from southern Arizona. A combination of morphological differences in the hemispermatophore, the mating plug, and several morphometric-based characters are identified as diagnostic.


Distribution, Diversity, And Den Locations Of Canidae And Hyaenidae Species Across Habitat Type At Enashiva Nature Refuge, Grace Bullington Jan 2017

Distribution, Diversity, And Den Locations Of Canidae And Hyaenidae Species Across Habitat Type At Enashiva Nature Refuge, Grace Bullington

Independent Study Project (ISP) Collection

Due to the importance of top-trophic level predators have on their environment including regulating prey species and influencing ecosystem biodiversity, it is important to monitor top-trophic level predators to understand how they shape their ecosystem. While top-trophic level predators can benefit the ecosystem, they can also cause problems for surrounding human settlements like predation on livestock. Species in the Canidae and Hyaenidae families occupy the top-trophic level and can influence their ecosystem and cause human-wildlife conflict.

This study looked at the distribution, diversity, and den locations of Canidae and Hyaenidae species at Enashiva Nature Refuge over the course of 21 …


Raising Consciousness About Chicken Consciousness, Bernard Rollin Jan 2017

Raising Consciousness About Chicken Consciousness, Bernard Rollin

Animal Sentience

The topics explored by Marino are definitive, and should work well to lay to rest forever the widespread belief that chickens have no personality, are unintelligent, or in any other way lack a mental life.


Chickens’ Brains, Like Ours, Are Lateralized, Lesley J. Rogers Jan 2017

Chickens’ Brains, Like Ours, Are Lateralized, Lesley J. Rogers

Animal Sentience

This commentary draws attention to yet another attribute that has been instrumental in demonstrating the cognitive abilities of domestic chicks: lateralization of brain function. The discovery of lateralization in domestic chicks was part of the first evidence showing that humans are not unique in this respect. The effects on cognitive ability of sensory stimulation in critical stages of development have implications for the welfare of chicks, as well as other species.


Are Chicken Minds Special?, Rafael Freire, Susan J. Hazel Jan 2017

Are Chicken Minds Special?, Rafael Freire, Susan J. Hazel

Animal Sentience

The number of publications on chicken cognition and emotion exceeds that on most birds and is comparable to the number of publications on some more “advanced” mammals. We argue that the chicken is an excellent model for this type of research because of (1) the presence of well-established fundamental mental processes in the chicken, (2) a challenging ethological environment and (3) social pressures that may have facilitated the evolution of cognitive abilities similar to those of some mammals. Marino’s (2017) review provides an excellent foundation for the continued study of complex mental abilities in this species.


Chicken Of The Sea, Jonathan Balcombe Jan 2017

Chicken Of The Sea, Jonathan Balcombe

Animal Sentience

Marino summarizes research showing that chickens perform cognitively and emotionally at a higher level than previously assumed. Here, I describe capacities of teleost fishes that parallel those of chickens, including the ability to recognize human faces, perspective-taking, and referential communication. Research on chickens and on fishes reveals an emerging trend in cognitive ethology: abilities once thought limited to a scant few highly intelligent non-humans may actually occur broadly across taxa.


In Memory Of Patrick Bateson, James A. Serpell Jan 2017

In Memory Of Patrick Bateson, James A. Serpell

Animal Sentience

No abstract provided.


Chickening Out Of Change: Will Knowing More About Thinking Chickens Change Public Perceptions?, Ewan Bottomley, Steve Loughnan Jan 2017

Chickening Out Of Change: Will Knowing More About Thinking Chickens Change Public Perceptions?, Ewan Bottomley, Steve Loughnan

Animal Sentience

This commentary examines the next step in Marino’s target article – changing people’s attitudes and beliefs about chickens. The scientific case seems clear: chickens are far more complex, psychologically and socially, than originally thought. Marino suggests we use this information to make people feel uncomfortable about their dietary choices in the hope of changing them. We review the psychological literature, examining how people maintain meat consumption despite the clash with their moral beliefs (the “meat paradox”). This work highlights the important gap between what science knows about animals and what people think about animals.


Evolutionary Continuity, Anne Benvenuti Jan 2017

Evolutionary Continuity, Anne Benvenuti

Animal Sentience

The principle of evolutionary continuity states that all animal capacities and behaviors exist — with variations in degree — in continuity with other species. Rather than assuming discontinuity, we should ask why any behavior observed in humans would not be found in at least some other sentient animals under similar conditions. In the case of suicide, the more pertinent issue might be the ethical one: our human responsibility for creating conditions under which other animals might deliberately seek to end their own lives.


Non-Human Animal Suicide Could Be Tested, David Lester Jan 2017

Non-Human Animal Suicide Could Be Tested, David Lester

Animal Sentience

Schaefer (1967) showed that mice can discriminate live from dead mice and lethal from nonlethal environments, and that they avoid a lethal environment; but the experiment lacked some controls. This might be a way to test whether mice would ever choose a lethal environment. Humans may also choose a potentially lethal environment unconsciously.