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Zoology

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2011

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Articles 31 - 60 of 73

Full-Text Articles in Animal Sciences

Sarpy County Spring Bird Count, May 14, 2011 Jun 2011

Sarpy County Spring Bird Count, May 14, 2011

Nebraska Bird Review

List of the 174 bird species tallied during the annual Sarpy County Spring Bird Count, May 14, 2011.


Spring Field Report, March 2011 To May 2011, W. Ross Silcock Jun 2011

Spring Field Report, March 2011 To May 2011, W. Ross Silcock

Nebraska Bird Review

There was a nice mix of interesting phenomena this spring, notably a big influx of migrant warblers. Species that are normally uncommon were reported in good numbers, 30 or more each: Chestnut-sided, Magnolia, Blackburnian, Palm, and Northern Waterthrush, and species that normally occur in very low numbers approached double digits: Blue-winged, Golden-winged, Cape May, and Baybreasted. Southeastern species continue to expand in se. Nebraska, notably Cerulean and Kentucky Warblers and Summer Tanager. A few rarities showed up, most spectacular an alternate-plumaged female Red Phalarope, the first such record for Nebraska, which was captured on video by Nebraska Non-Game TV. Other …


Subscription And Organization Information [June 2011] Jun 2011

Subscription And Organization Information [June 2011]

Nebraska Bird Review

The Nebraska Bird Review is published quarterly by the Nebraska Ornithologists' Union, Inc., as its official journal, and is sent to members not in arrears of dues. Annual subscription rates (on a calendar-year basis only): $15 in the United States, $18 in Canada, and $30 in all other countries, payable in advance. Single copies are $4 each, postpaid, in the United States, $5 in Canada, and $8 elsewhere. Send orders for back issues to Anita Breckbill, NOU Librarian, c/o Music Library, WMB 30, University of Nebraska, Lincoln, NE 68588-0101 (or at the email address listed below).

Memberships in the NOU …


High Species Count At Annual Sarpy County Spring Bird Count, Clem Klaphake Jun 2011

High Species Count At Annual Sarpy County Spring Bird Count, Clem Klaphake

Nebraska Bird Review

On May 14, 2011, participants in the Annual Sarpy County Spring Bird Count tallied 174 species, besting the previous high count of 143 (in 2006 and 2010) by 31 species. There were a few more counters this year than in most previous years, but it was just a good year for many families of birds. There were 28 warbler species seen (previous high was 23 in 2008). Also found were 4 terns, 9 flycatchers, 7 woodpeckers, 12 ducks, 14 shorebirds and 3 grebes. There are often unusual species that show up on the count, as illustrated by a Eurasian Wigeon …


A Mark–Recapture Technique For Monitoring Feral Swine Populations, Matthew M. Reidy, Tyler A. Campbell, David G. Hewitt May 2011

A Mark–Recapture Technique For Monitoring Feral Swine Populations, Matthew M. Reidy, Tyler A. Campbell, David G. Hewitt

USDA Wildlife Services: Staff Publications

Techniques to monitor populations of feral swine (Sus scrofa) relative to damage control activities are needed on rangelands. Our objectives were to describe and assess a mark–recapture technique using tetracycline hydrochloride (TH) for monitoring feral swine populations. We established bait stations at study sites in southern and central Texas. During 1 d, we replaced normal soured corn bait with bait containing TH and counted the number of feral swine that consumed bait with observers. We conducted feral swine removal using box-style traps and helicopters, at which time we collected teeth for TH analysis. In southern Texas, we estimated …


Blarina Hylophaga (Sorciomorpha: Soricidae), Cody W. Thompson, Jerry R. Choate, Hugh H. Genoways, Elmer J. Finck May 2011

Blarina Hylophaga (Sorciomorpha: Soricidae), Cody W. Thompson, Jerry R. Choate, Hugh H. Genoways, Elmer J. Finck

University of Nebraska State Museum: Mammalogy Papers

Blarina hylophaga (Elliot, 1899) is a soricid commonly called Elliot’s short-tailed shrew. A short-legged, robust shrew with a long, pointed snout and a short tail; it is 1 of 4 species in the genus Blarina. It occurs throughout most of the Great Plains of the United States, where it inhabits moist, well-drained grassland and riparian areas with deep leaf litter. It is listed as a species of greatest conservation need in Iowa and at possible risk in Texas, which might be due to the limited knowledge of the species throughout its geographic range.


Assessing Anglers Identification Of Common Fish Species Of Nebraska, Jason Reed May 2011

Assessing Anglers Identification Of Common Fish Species Of Nebraska, Jason Reed

Department of Environmental Studies: Undergraduate Student Theses

Creel surveys, also known as angler surveys, entail individual interviews with anglers. The interviews include a variety of questions pertaining to their fishing trip on that particular day. The interviewer asks the angler questions that include, but are not limited to what species they caught that day, the size of the fish, how many hours they spent fishing that day, what bait they were using, etc. If the angler does not know the species caught or misidentifies the species there is the potential for the recorded data to negatively impact management techniques that rely on the creel survey data. One …


An Assessment Of Stable Hydrogen-Isotope Analysis Methods To Assign Geographic Origin To Migratory Red-Tailed Hawks (Buteo Jamaicensis), Carla Marie Ahlschwede May 2011

An Assessment Of Stable Hydrogen-Isotope Analysis Methods To Assign Geographic Origin To Migratory Red-Tailed Hawks (Buteo Jamaicensis), Carla Marie Ahlschwede

Department of Environmental Studies: Undergraduate Student Theses

Stable-hydrogen isotopes are becoming an increasingly popular method of studying migratory birds, though sample preparation methods may affect results. In this study I examined feathers from red-tailed hawks (Buteo jamaicensis) to determine the relationship between measure of δD due to inter-feather variation or drying methods, assessed the accuracy of results by using two birds of known-origin and estimated possible natal origins of migratory red-tailed hawks. Two feathers per individual were taken from 81 wild hawks caught at Hitchcock Nature Center near Crescent IA and from 2 rescued red-tailed hawks, Raptor Recovery Nebraska near Eagle, NE. 119 of the …


Effects Of Gypsy Moth Outbreaks On North American Woodpeckers, Walter D. Koenig, Eric L. Walters, Andrew M. Liebhold May 2011

Effects Of Gypsy Moth Outbreaks On North American Woodpeckers, Walter D. Koenig, Eric L. Walters, Andrew M. Liebhold

Biological Sciences Faculty Publications

We examined the effects of the introduced gypsy moth (Lymantria dispar) on seven species of North American woodpeckers by matching spatially explicit data on gypsy moth outbreaks with data on breeding and wintering populations. In general, we detected modest effects during outbreaks: during the breeding season one species, the Red-headed Woodpecker (Melanerpes erythrocephalus), increased over pre-outbreak levels, while during the winter one species, the Yellow-bellied Sapsucker (Sphyrapicus varius), increased and one, the Downy Woodpecker (Picoides pubescens), decreased from pre-outbreak levels. Responses following outbreaks were similarly variable, and in general we were unsuccessful …


Debrazza’S Monkeys (Cercopithecus Neglectus) In A Mixed-Taxa Zoo Exhibit: Effects On The Behavior Of A Breeding Group Of Debrazza’S Monkeys After The Birth Of An Infant, Rachel Diamond Apr 2011

Debrazza’S Monkeys (Cercopithecus Neglectus) In A Mixed-Taxa Zoo Exhibit: Effects On The Behavior Of A Breeding Group Of Debrazza’S Monkeys After The Birth Of An Infant, Rachel Diamond

Psychology Honors Projects

Historically, zoos rarely feature mixed taxa exhibits including multiple primate species; the Minnesota Zoo opened such a unique four-species exhibit featuring Rock hyraxes, Red River hogs, Colobus monkeys, and DeBrazza’s monkeys in May, 2010. Because of potential problems associated with territoriality and aggression, primates in mixed-taxa exhibits are generally non-breeding. However, the DeBrazza’s monkeys at the MN Zoo are a breeding pair with a juvenile offspring. The intent of this study was to design an ethogram with the purpose of calculating the effects of a mixed taxa exhibit on the behavior of this breeding group, and to compare their behavior …


Determining The Composition Of The Dwelling Tubes Of Antarctic Pterobranchs, Lukasz J. Sewera Apr 2011

Determining The Composition Of The Dwelling Tubes Of Antarctic Pterobranchs, Lukasz J. Sewera

Honors Projects

Pterobranchs are a group of marine invertebrates within the Hemichordata, which share characteristics with both chordates and echinoderms. Pterobranchs live in colonies of secreted tubes, coenicia, which are composed of a gelatinous material of unknown composition. Visually, the tubes appear similar to the tunic of tunicates, a group of invertebrates within the Chordata. The nonproteinaceous tunic of tunicates is composed of cellulose, which is unusual. The goal of this study was to determine the composition of the pterobranch coenicium. Some aspects of pterobranch phylogeny are still unclear even after multiple molecular and morphological studies. Identification of any new shared characteristics …


Multilocus And Parametric Analyses Of The Evolutionary History Of The Amazonian Peacock Cichlids, The Genus Cichla (Teleostei: Cichlidae), Stuart Willis Apr 2011

Multilocus And Parametric Analyses Of The Evolutionary History Of The Amazonian Peacock Cichlids, The Genus Cichla (Teleostei: Cichlidae), Stuart Willis

School of Biological Sciences: Dissertations, Theses, and Student Research

Accurate knowledge of species boundaries and species phylogeny are fundamental to testing hypotheses of recent evolutionary processes, but the estimation of these partitions is challenging due both to inherent confusion about what is being estimated as well as the data available to estimate them. Using multilocus data from mtDNA, microsatellites, and nuclear locus sequences of over 1100 individuals, we delimited eight separately evolving species of Cichla rather than the 15 described. Among species we found evidence of rare but widespread introgressive hybridization, while within these species we observed evidence of long-term gene exchange and constrained evolutionary trajectories. In most cases …


Identification And Characterization Of The Contact Zone Between Short-Tailed Shrews (Blarina) In Iowa And Missouri, Cody W. Thompson, R. S. Pfau, Jerry R. Choate, Hugh H. Genoways, Elmer J. Finck Apr 2011

Identification And Characterization Of The Contact Zone Between Short-Tailed Shrews (Blarina) In Iowa And Missouri, Cody W. Thompson, R. S. Pfau, Jerry R. Choate, Hugh H. Genoways, Elmer J. Finck

University of Nebraska State Museum: Mammalogy Papers

Short-tailed shrews (genus Blarina Gray, 1838) are characterized by divergent karyotypes and are genetically distinct. Blarina species are similar morphologically but, in most cases, can be distinguished morphometrically. Blarina distributions tend to be parapatric along well-defined contact zones; however, it has been suggested that the northern short-tailed shrew (Blarina brevicauda (Say, 1823)) and Elliot’s short-tailed shrew (Blarina hylophaga Elliot, 1899) occur sympatrically in Iowa and Missouri. To evaluate this possibility, 179 specimens were collected in southwestern Iowa and northwestern Missouri. Karyotypes and total length were used for field identification, and amplified fragment length polymorphism (AFLP) analysis was used …


Review Of Cougar: Ecology And Conservation. Edited By Maurice Hornocker And Sharon Negri., Oranit Gilad Apr 2011

Review Of Cougar: Ecology And Conservation. Edited By Maurice Hornocker And Sharon Negri., Oranit Gilad

Great Plains Research: A Journal of Natural and Social Sciences

Historically, cougars (mountain lions, pumas, or panthers) had an extensive distribution throughout the Americas, ranging from British Columbia in North America to Patagonia at South America's tip. As a native species and a large obligate carnivore, the cougar has a complex relationship with the human population in the Americas. This current book-the product of multiple authors, all with hands-on experience in cougar work, and written in a clear manner appropriate to most audiences-is an important addition to the scientific literature in the field of carnivore conservation in the New World. As a product of many authors, Cougar: Ecology and Conservation …


A Molecular Phylogeny Of Living Primates, Polina L. Perelman, Warren E. Johnson, Christian Roos, Hector Seuanez, Julie E. Horvath, Miguel A. M. Moreira, Bailey Kessing, J. U. Pontius, Melody E. Roelke, Yves Rumpler, Maria P. C. Schneider, Artur Silva, Stephen J. O'Brien, Jill Pecon-Slattery Mar 2011

A Molecular Phylogeny Of Living Primates, Polina L. Perelman, Warren E. Johnson, Christian Roos, Hector Seuanez, Julie E. Horvath, Miguel A. M. Moreira, Bailey Kessing, J. U. Pontius, Melody E. Roelke, Yves Rumpler, Maria P. C. Schneider, Artur Silva, Stephen J. O'Brien, Jill Pecon-Slattery

Biology Faculty Articles

Comparative genomic analyses of primates offer considerable potential to define and understand the processes that mold, shape, and transform the human genome. However, primate taxonomy is both complex and controversial, with marginal unifying consensus of the evolutionary hierarchy of extant primate species. Here we provide new genomic sequence (~8 Mb) from 186 primates representing 61 (~90%) of the described genera, and we include outgroup species from Dermoptera, Scandentia, and Lagomorpha. The resultant phylogeny is exceptionally robust and illuminates events in primate evolution from ancient to recent, clarifying numerous taxonomic controversies and providing new data on human evolution. Ongoing speciation, reticulate …


Nebraska Ornithologists’ Union Treasurer’S Report, December 31, 2010 Mar 2011

Nebraska Ornithologists’ Union Treasurer’S Report, December 31, 2010

Nebraska Bird Review

One-page spreadsheet constituting the Nebraska Ornithologists' Union treasurer's report at year end (December 31) of 2010. The grand total is $56,740.04.


Winter Field Report, December 2010 To February 2011, W. Ross Silcock Mar 2011

Winter Field Report, December 2010 To February 2011, W. Ross Silcock

Nebraska Bird Review

This winter was pretty much a rerun of last, although perhaps not as severe; I could have used last winter's Introduction again. If there was an overall theme, it would be the widespread occurrences of species that would not be expected to linger into late December and January. Several species of waterbirds, notably Blue-winged Teal, scoters, Ruddy Duck, Common Loon, and Homed and Red-necked Grebes were in this category. Large numbers of Western Grebes were still at Lake McConaughy in early January, and surprisingly late individuals of Black-crowned Night-Heron and Plegadis ibis were located. Mourning Doves were in good numbers …


Nebraska Bird Review (March 2011) 79(1), Whole Issue Mar 2011

Nebraska Bird Review (March 2011) 79(1), Whole Issue

Nebraska Bird Review

Nebraska Ornithologists’ Union Treasurer’s Report, December 31, 2010 ... 2

Color Photo Section ... 3

Winter Field Report, December 2010 to February 2011 ... 7

2010–2011 Christmas Bird Counts ... 20

A Late-Season Breeding Record for the Summer Tanager in Nebraska ... 33

Book Review: Wild Birding Colorado: The Big Year of 2010 ... 37

Book Review: The Stokes Field Guide to the Birds of North America ... 38

Color Photo Section ... 39

Subscription and Organization Information ... 43


Color Photo Section [March 2011, Pp. 3–6] Mar 2011

Color Photo Section [March 2011, Pp. 3–6]

Nebraska Bird Review

Peregrine Falcon, Blue-gray Gnatcatcher, Sedge Wren, Spotted Towhee (p. 3); Northern Harrier, Long-eared Owl, Mississippi Kite (p. 4); Loggerhead Shrike, Snow Bunting, Piping Plover, Green Heron (p. 5), Ring-billed Gull with Ross’s Gull, Ross’s Gull, Black-legged Kittiwake, and Lesser Black-backed Gull (p. 6).


Book Review [Of Wild Birding Colorado: The Big Year Of 2010], W. Ross Silcock Mar 2011

Book Review [Of Wild Birding Colorado: The Big Year Of 2010], W. Ross Silcock

Nebraska Bird Review

Nebraska birders might remember seeing reports posted to NEBirds a few years back by Cole Wild, a native Coloradan whose mother's family is from Nebraska. Cole took up birding at age 19, spurred by an earlier high school environmental science class that required identification of 100 species of birds. As with many of us, a brightly plumaged bird, in this case a Western Tanager, resulted in "the birdwatching gene" in Cole suddenly being "switched to the ON position." Soon after, Cole went on a "what the heck, I'll try it" field trip to see a Kelp Gull at Loveland Reservoir …


A Late-Season Breeding Record For The Summer Tanager In Nebraska, Eric C. Hopps Mar 2011

A Late-Season Breeding Record For The Summer Tanager In Nebraska, Eric C. Hopps

Nebraska Bird Review

The breeding range of the Summer Tanager (Piranga rubra) is well documented and expands across the southern U.S. extending northward to New Jersey and west along and south of the Great Lakes to the eastern edge of the Great Plains (Terres 1991; Robinson 1996). In Nebraska the species is generally confined to the Lower Missouri and Platte River Valleys where it occurs locally (Sharpe et al. 2001). Because the species exists in relatively low numbers across southeastern Nebraska, there are few breeding and nesting records for the state. Fewer than 10 breeding records, including one historical account have …


2010–2011 Christmas Bird Counts, Don Paseka Mar 2011

2010–2011 Christmas Bird Counts, Don Paseka

Nebraska Bird Review

Fourteen Christmas Bird Counts were held in Nebraska in the 2010–2011 season. The Branched Oak–Seward count was canceled due to weather, but in comparison to last year, the weather was generally dry, mild, and cooperative. Even though open water was limited, the species associated with water were well represented, resulting in the highest total number of species (149) ever, easily topping the previous high count of 138 in 2001. In all, 17 species set new high counts, 5 tied previous highs, and the amazing Brown-headed Nuthatches stayed in Lincoln and were counted for the first time in Nebraska.

Twelve species …


Subscription And Organization Information [March 2011] Mar 2011

Subscription And Organization Information [March 2011]

Nebraska Bird Review

The Nebraska Bird Review is published quarterly by the Nebraska Ornithologists' Union, Inc., as its official journal, and is sent to members not in arrears of dues. Annual subscription rates (on a calendar-year basis only): $15 in the United States, $18 in Canada, and $30 in all other countries, payable in advance. Single copies are $4 each, postpaid, in the United States, $5 in Canada, and $8 elsewhere. Send orders for back issues to Anita Breckbill, NOU Librarian, c/o Music Library, WMB 30, University of Nebraska, Lincoln, NE 68588-0101.

Memberships in the NOU (on a calendar-year basis only): Active Household …


Color Photo Section [March 2011, Pp. 39–42] Mar 2011

Color Photo Section [March 2011, Pp. 39–42]

Nebraska Bird Review

Whimbrel, Red-headed Woodpecker, Northern Cardinal, atypical Ring-necked Pheasants (p. 39); Brown-headed Nuthatch, Ruby-throated Hummingbird, Ruby-crowned Kinglet, Palm Warbler (p. 40); hybrid Black-headed/Rose-breasted Grosbeak, Scissor-tailed Flycatcher (on nest and on wire) (p. 41), Plegadis sp. Ibis, Cooper’s Hawk, and Black-crowned Night-Heron (p. 42).


Book Review [Of The Stokes Field Guide To The Birds Of North America], Tim Hajda Mar 2011

Book Review [Of The Stokes Field Guide To The Birds Of North America], Tim Hajda

Nebraska Bird Review

Don and Lillian Stokes are well known for their nature guides that cover a variety of subjects, from hummingbirds and beginner shorebird identification to reptiles and amphibians. Their original pair of Stokes Field Guide to Birds: Eastern Region and Western Region have remained popular among North American birders since their appearance in 1995. They were illustrated with photographs instead of the traditional paintings used in most field guides. The authors' latest book, The Stokes Guide to Birds of North America is essentially an entirely new and much improved version of these two guides. Instead of being split into two books, …


Factors Affecting Space Use Overlap By White-Tailed Deer In An Urban Landscape, W. David Walter, Jeff Beringer, Lonnie P. Hansen, Justin W. Fischer, Joshua J. Millspaugh, Kurt C. Vercauteren Mar 2011

Factors Affecting Space Use Overlap By White-Tailed Deer In An Urban Landscape, W. David Walter, Jeff Beringer, Lonnie P. Hansen, Justin W. Fischer, Joshua J. Millspaugh, Kurt C. Vercauteren

USDA Wildlife Services: Staff Publications

Variation in the size and overlap of space use by white-tailed deer (Odocoileus virginianus) has broad implications for managing deer–human conflicts and disease spread and transmission in urban landscapes. Understanding which factors affect overlap of home range by various segments (i.e., age, sex) of an urban deer population has implications to direct contact between deer on disease epidemiology. We assessed size of home range and overlap of space use using the volume of intersection index (VI) for deer in an urban landscape by sex, age, season, and time of day. We found mean space use was larger for …


110 Years Of Avipoxvirus In The Galapagos Islands, Patricia Parker, Elizabeth Buckles, Heather Farrington, Kenneth Petren, Noah Whiteman, Robert Ricklefs, Jennifer Bollmer, Gustavo Jiménez-Uzcátegui Jan 2011

110 Years Of Avipoxvirus In The Galapagos Islands, Patricia Parker, Elizabeth Buckles, Heather Farrington, Kenneth Petren, Noah Whiteman, Robert Ricklefs, Jennifer Bollmer, Gustavo Jiménez-Uzcátegui

Biology Department Faculty Works

The role of disease in regulating populations is controversial, partly owing to the absence of good disease records in historic wildlife populations. We examined birds collected in the Galapagos Islands between 1891 and 1906 that are currently held at the California Academy of Sciences and the Zoologisches Staatssammlung Muenchen, including 3973 specimens representing species from two well-studied families of endemic passerine birds: finches and mockingbirds. Beginning with samples collected in 1899, we observed cutaneous lesions consistent with Avipoxvirus on 226 (6.3%) specimens. Histopathology and viral genotyping of 59 candidate tissue samples from six islands showed that 21 (35.6%) were positive …


Factors Affecting Survival And Cause-Specific Mortality Of Saiga Calves (Saiga Tatarica Mongolica) In Mongolia, Buuveibaatar Bayarbaatar Jan 2011

Factors Affecting Survival And Cause-Specific Mortality Of Saiga Calves (Saiga Tatarica Mongolica) In Mongolia, Buuveibaatar Bayarbaatar

Masters Theses 1911 - February 2014

Factors affecting juvenile survival are poorly known in the world’s most northern antelope, the endangered saiga (Saiga tatarica), yet they are fundamental for understanding what drives population change. For saiga neonates monitored in Sharga Nature Reserve, western Mongolia, during 2008–2010, male and single calves were heavier than those of female and twins, respectively. However, there was no significant difference in seasonal and annual survival rate between male and female or singletons and twins. Litter size and birth mass varied among years, and there was a negative relationship between these variables. Multiple regression models suggest that summer precipitation in …


Geographic Distribution: Osteopilus Septentrionalis (Cuban Treefrog). Usa: Florida: Bradford Co., Linda S. Stevenson, Louis A. Somma Jan 2011

Geographic Distribution: Osteopilus Septentrionalis (Cuban Treefrog). Usa: Florida: Bradford Co., Linda S. Stevenson, Louis A. Somma

Papers in Herpetology

OSTEOPILUS SEPTENTRIONALIS (Cuban Treefrog). USA: FLORIDA: B IlAI)flOIlD Co.: Starke. 703 South Orange Street (29.940 15"N, 82. 11532S'W; WGS84) . 12 December 2009. Linda S. Sleven son. Verified by Melvin P. Gra.mke. Florida Museum of Natural History. University of Florida. UF 162973. First county record (Meshaka et al. 2004. The Exotic Amphibians and Reptiles of Florida. Krieger Publ. Co., Malabar, Florida; Somma 2009. In Nonindigenous Aq uatic Species. USGS: hI rp: II nas.e r.usgs.gov I q ue ries! FactSheet. asp?specieslD=57). One adult collected from inside a mailbox on wall of a residence. Individ ual O. septentrionalis have been sighted at …


Biology Department Newsletter, No.1, Sacred Heart University Jan 2011

Biology Department Newsletter, No.1, Sacred Heart University

Biology Newsletter

No abstract provided.