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University of Arkansas, Fayetteville

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Articles 211 - 240 of 524

Full-Text Articles in Zoology

Recent Observations Of The Distribution Of Woodchucks (Marmota Monax) In Arkansas, C. Renn Tumlison, D. Blake Sasse, Todd Pennington, Nicole Freeman Jan 2007

Recent Observations Of The Distribution Of Woodchucks (Marmota Monax) In Arkansas, C. Renn Tumlison, D. Blake Sasse, Todd Pennington, Nicole Freeman

Journal of the Arkansas Academy of Science

During the last couple of decades, the distribution of the woodchuck (Marmota monax) appeared to be expanding southward in Arkansas (Tumlison et al. 2001). An increase in the frequency of new sightings led us to re-evaluate the present status of this species of squirrel in the state. The woodchuck is not easily confused with other mammals, therefore we sought records of sightings to update information about its distribution. Recent range expansion had been documented in southwestern Arkansas, so we placed notices in stores and advertised in local newspapers in that region to intensively seek new records of sightings from the …

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Non-Invasive Technique For Assessing The Population Parameters Of Metacercariae Of Clinostomum Marginatum In Smallmouth Bass(Micropterus Dolomieu), James J. Daly Sr., Randal J. Keller, Bruce Deyoung Jan 2007

Non-Invasive Technique For Assessing The Population Parameters Of Metacercariae Of Clinostomum Marginatum In Smallmouth Bass(Micropterus Dolomieu), James J. Daly Sr., Randal J. Keller, Bruce Deyoung

Journal of the Arkansas Academy of Science

Clinostomllm marginatum is a trematode that uses a fish as its final intennediate host. The wonns in the fish are in metacercarial cysts and are known as yellow grub. Yellow grubs give the fish's flesh a wonny, unappetizing appearance and are a problem for commercial fish fanners in that heavily infected fish are not suitable for marketing. The parasite is common in smallmouth bass (Micropterus dolomieu) living in upland streams of Arkansas where the bass may serve as a wild reservoir for contamination of commercial fish ponds. Because smallmouth bass are a prized game fish, it would be desirable to …

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Status Survey Of The Peppered Shiner, Notropis Perpallidus Hubbs And Black, In Arkansas And Oklahoma, Henry W. Robison Jan 2006

Status Survey Of The Peppered Shiner, Notropis Perpallidus Hubbs And Black, In Arkansas And Oklahoma, Henry W. Robison

Journal of the Arkansas Academy of Science

The peppered shiner, Notropis perpallidus Hubbs and Black, is a small, silvery, upland stream fish found only in southwestern Arkansas and eastern Oklahoma. This fish species was studied from 1999-2001 to determine its distribution, habitat, and conservation status. A total of81 collections was made during the 2-year study; however, only 17 specimens were collected. The present distribution of the peppered shiner in Arkansas and Oklahoma is described as well as the conservation status of this cyprinid in both states.

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Aquatic Macroinvertebrates Of The Strawberry River System In North-Central Arkansas, George L. Harp, Henry W. Robison Jan 2006

Aquatic Macroinvertebrates Of The Strawberry River System In North-Central Arkansas, George L. Harp, Henry W. Robison

Journal of the Arkansas Academy of Science

The Strav/berry River has been designated an Extraordinary Resource Water, an Ecologically Sensitive Water Body, and a Natural and Scenic Waterway. As such, it is particularly important that the biodiversity of this river system be documented thoroughly. The purpose of this research was to develop a comprehensive list of the aquatic macroinvertebrates of the Strawberry River and its major tributaries. The information was developed from a thorough literature review and by examining specimens housed in various collections of the Arkansas State University Museum of Zoology and collections of the authors. The latter included 9 collections at 4 sites along the …

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Status And Distribution Of The Arkansas Darter (Etheostoma Cragini) In Arkansas, Brian K. Wagner, Mark D. Kottmyer Jan 2006

Status And Distribution Of The Arkansas Darter (Etheostoma Cragini) In Arkansas, Brian K. Wagner, Mark D. Kottmyer

Journal of the Arkansas Academy of Science

The Arkansas darter, Etheostoma cragini, has an extremely limited distribution in Arkansas and is designated as a andidate for listing under the Endangered Species Act. It was first discovered in the state in 1979 in Wilson Spring near Fayetteville and has since been found in4 additional headwater streams in Benton and Washington counties prior to this study. A study in 1997 (bund the species in3 of the 5 historic streams, but one stream yielded only a single individual. This study sought to reassess the status of the 5 historically known populations and sample additional spring-run habitats in the Arkansas River …

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Documentation Of The First Known Occurrence Of The Broad-Billed Hummingbird (Cynanthus Latirostris) In Arkansas, Robert H. Doster, Dan Scheiman, E. Pershing Floyd, Kenny Nichols, Ladonna Nichols Jan 2006

Documentation Of The First Known Occurrence Of The Broad-Billed Hummingbird (Cynanthus Latirostris) In Arkansas, Robert H. Doster, Dan Scheiman, E. Pershing Floyd, Kenny Nichols, Ladonna Nichols

Journal of the Arkansas Academy of Science

No abstract provided.

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Ichthyofaunal Assemblages In Three Approximate But Ecologically Diverse Streams In Clark County, Arkansas, C. Renn Tumlison, Scott Jordan, Lesley Self, Henry W. Robison Jan 2006

Ichthyofaunal Assemblages In Three Approximate But Ecologically Diverse Streams In Clark County, Arkansas, C. Renn Tumlison, Scott Jordan, Lesley Self, Henry W. Robison

Journal of the Arkansas Academy of Science

Three tributaries to the Ouachita River in eastern Clark County, Arkansas, empty into the river within a collective distance of about 9 km. The streams drain basins derived from the Wilcox formation, partially overlain by terrace and alluvial deposits. Despite their proximity, the streams are very different: L'Eau Frais has a gravel substrate and was recognized by the French as a cool water stream, Tupelo Creek is a bottomland stream from which numerous Water Tupelo (Nyssa aquatica) emerge, and Saline Bayou was named due to its marked salinity. We studied the assemblages of fishes in these 3 very different drainages …

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Noteworthy Geographic Distribution Records For The Golden Topminnow, Fundulus Chrysotus (Cyprinodontiformes: Fundulidae), From Arkansas, Chris T. Mcallister, Henry W. Robison, Thomas M. Buchanan Jan 2006

Noteworthy Geographic Distribution Records For The Golden Topminnow, Fundulus Chrysotus (Cyprinodontiformes: Fundulidae), From Arkansas, Chris T. Mcallister, Henry W. Robison, Thomas M. Buchanan

Journal of the Arkansas Academy of Science

No abstract provided.

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Leeches (Annelida: Hirudinida) Of Northern Arkansas, William E. Moser, Donald J. Klemm, Dennis J. Richardson, Benjamin A. Wheeler, Stanley E. Trauth, Bruce A. Daniels Jan 2006

Leeches (Annelida: Hirudinida) Of Northern Arkansas, William E. Moser, Donald J. Klemm, Dennis J. Richardson, Benjamin A. Wheeler, Stanley E. Trauth, Bruce A. Daniels

Journal of the Arkansas Academy of Science

Twenty-one lotic and lentic environments throughout central and northern Arkansas were surveyed for the presence of leeches during June 2004 and April, July - October 2005. Fourteen species of leeches {Helobdella elongata, Helobdella papillata, Helobdella stagnalis, Placobdella cryptobranchii, Placobdella multilineata, Placobdella ornata, Placobdella papillifera, Placobdella parasitica, Placobdella phaler a, Placobdella picta, Haemopis marmorata, Erpobdella fervida, Erpobdella microstoma, and Erpobdella punctata) representing 3 families were collected. Five species (H. elongata, P. cryptobranchii, P. multilineata, H. marmorata, and E. fervida) are reported from Arkansas for the first time. The natural history of the 22 species of leeches now known from Arkansas is …

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Discovery Of A Dicephalic Western Diamondback Rattlesnake, Crotalus Atrox (Serpentes: Viperidae), From Texas, With A Summary Of Dicephalism Among Members Of The Genus Crotalus, Chris T. Mcallister, Van Wallach Jan 2006

Discovery Of A Dicephalic Western Diamondback Rattlesnake, Crotalus Atrox (Serpentes: Viperidae), From Texas, With A Summary Of Dicephalism Among Members Of The Genus Crotalus, Chris T. Mcallister, Van Wallach

Journal of the Arkansas Academy of Science

We document the fourth record of a dicephalic western diamondback rattlesnake, Crotalus atrox, collected on 17 September 2005 in Tom Green County, Texas, along with features of its external and internal anatomy, which are compared with normal C. atrox neonates. This is only the second reported case of complete anatomical duplication of the respiratory system and nearly complete duplication of the circulatory and digestive systems in dicephalic snakes. In addition, we present a summary of dicephalism among 10 species within the genus Crotalus.

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Geographic Distribution And Harvest Dynamics Of The Eastern Spotted Skunk In Arkansas, D. Blake Sasse, Matthew E. Gompper Jan 2006

Geographic Distribution And Harvest Dynamics Of The Eastern Spotted Skunk In Arkansas, D. Blake Sasse, Matthew E. Gompper

Journal of the Arkansas Academy of Science

The eastern spotted skunk (Spilogale putorius) is a small carnivore found across much of the central and southeastern United States, and while once common, this species has become rare in most obits range. We used harvest records collected by the Arkansas Game and Fish Commission from 1941-2004 to examine historic and current distribution and long-term harvest dynamics of this species in Arkansas. Eastern spotted skunks have historically been most common in the Ozarks and the Ouachitas though the species appears to have been present, but uncommon, in the Gulf Coastal Plain and in some counties in southeastern Arkansas near the …

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New Evidence For A Maternity Colony Of The Indiana Bat (Myotis Sodalis) In The Delta Of Arkansas, Stephen C. Brandebura, Rex E. Medlin Jr., Thomas S. Risch Jan 2006

New Evidence For A Maternity Colony Of The Indiana Bat (Myotis Sodalis) In The Delta Of Arkansas, Stephen C. Brandebura, Rex E. Medlin Jr., Thomas S. Risch

Journal of the Arkansas Academy of Science

No abstract provided.

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Unusual Prey Item Found In An Eastern Bluebird Nest, Sarah De Viney Baxter, Richard J. Baxter, Thomas S. Risch Jan 2006

Unusual Prey Item Found In An Eastern Bluebird Nest, Sarah De Viney Baxter, Richard J. Baxter, Thomas S. Risch

Journal of the Arkansas Academy of Science

No abstract provided.

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Distribution Of Arkansas's Bottomland Bats, Rex E. Medlin Jr., Stephen C. Brandebura, H. Bobby Fokidis, Thomas S. Risch Jan 2006

Distribution Of Arkansas's Bottomland Bats, Rex E. Medlin Jr., Stephen C. Brandebura, H. Bobby Fokidis, Thomas S. Risch

Journal of the Arkansas Academy of Science

No abstract provided.

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Hyperinfection With The Bass Tapeworm, Proteocephalus Ambloplites (Cestoda), In The Black Basses Micropterus Punctulatus And M. Dolomieui From Certain Arkansas Reservoir Lakes, James J. Daly Sr., Randal J. Keller, Bruce Deyoung Jan 2006

Hyperinfection With The Bass Tapeworm, Proteocephalus Ambloplites (Cestoda), In The Black Basses Micropterus Punctulatus And M. Dolomieui From Certain Arkansas Reservoir Lakes, James J. Daly Sr., Randal J. Keller, Bruce Deyoung

Journal of the Arkansas Academy of Science

No abstract provided.

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New Distributional Records Of Lampreys From Arkansas, Henry W. Robison, C. Renn Tumlison, James C. Petersen Jan 2006

New Distributional Records Of Lampreys From Arkansas, Henry W. Robison, C. Renn Tumlison, James C. Petersen

Journal of the Arkansas Academy of Science

No abstract provided.

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Cajun Dwarf Crawfish (Cambrellus Shufeldtii): An Intermediate Host For Southwellina Dimorpha (Acanthocephala), Dennis J. Richardson, William F. Font Jan 2006

Cajun Dwarf Crawfish (Cambrellus Shufeldtii): An Intermediate Host For Southwellina Dimorpha (Acanthocephala), Dennis J. Richardson, William F. Font

Journal of the Arkansas Academy of Science

No abstract provided.

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Fishes Of The Pine Bluff Arsenal, Jefferson County, Arkansas, Henry W. Robison Jan 2005

Fishes Of The Pine Bluff Arsenal, Jefferson County, Arkansas, Henry W. Robison

Journal of the Arkansas Academy of Science

A survey of the fishes of the Pine Bluff Arsenal (PBA) located in Jefferson County, Arkansas was initiated in February 1999 and continued until October 1999 with several supplemental collections made in 2000. A total of 3,396 fishes was taken in 81 collections on the PBA and revealed 59 species distributed in 17 families and 36 genera. The most abundant fishes collected were Dorosoma petenense, Gambusia affinis, Labidesthes sicculus, Notemigonus crysoleucas, and Lepomis marginatus.

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Pesticide Residues In Guano Of Gray Bats (Myotis Grisecens) In Arkansas, D. Blake Sasse Jan 2005

Pesticide Residues In Guano Of Gray Bats (Myotis Grisecens) In Arkansas, D. Blake Sasse

Journal of the Arkansas Academy of Science

No abstract provided.

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Small Fish Species Of Arkansas Reservoirs, Thomas M. Buchanan Jan 2005

Small Fish Species Of Arkansas Reservoirs, Thomas M. Buchanan

Journal of the Arkansas Academy of Science

Sixty-six Arkansas reservoirs were sampled with rotenone from 1997 through 2004 to determine the distribution and species richness of small, nongame fish species in manmade lentic environments. Eighty-five small fish species distributed among 13 families were collected. Fish distribution and species richness varied by reservoir size, ecoregion, and reservoir type. Species richness was significantly correlated with reservoir size and the number of small species occurring in reservoir drainages. Some small species apparently maintained breeding populations in reservoirs, other species occurred in low numbers and may not have maintained breeding populations, and some species occurred sporadically, probably as stragglers from nearby …

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Distribution Of Bats In Bottomland Hardwood Forests Of The Arkansas Delta Region, H. Bobby Fokidis, Stephen C. Brandebura, Thomas S. Risch Jan 2005

Distribution Of Bats In Bottomland Hardwood Forests Of The Arkansas Delta Region, H. Bobby Fokidis, Stephen C. Brandebura, Thomas S. Risch

Journal of the Arkansas Academy of Science

Bat distribution data is incomplete for the delta region of Arkansas. We extensively surveyed 16 counties within the Mississippi alluvial plain that comprises the delta from late spring to early fall 2004 using mist nets. We obtained 44 new county records for 9 species: Myotis lucifigus, M. austroriparius, Pipistrellus subflavus, Eptesicus fuscus, Lasiurus seminolus, L. borealis, L. cinereus, Nycticeius humeralis, and Corynorhinus rafinesquii. We generated updated distribution maps for these species and eastward Arkansas range expansions were documented for L.seminolus. Possible sampling concerns and research directions are discussed in relation to the needs of bats inhabiting bottomland forests of the …

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Annotated Checklist Of The Amphipoda Of Arkansas With Emphasis Upon Groundwater Habitats, G. O. Graening, Michael E. Slay, John R. Holsinger Jan 2005

Annotated Checklist Of The Amphipoda Of Arkansas With Emphasis Upon Groundwater Habitats, G. O. Graening, Michael E. Slay, John R. Holsinger

Journal of the Arkansas Academy of Science

Based on recent collections and review of the literature, 20 species of freshwater amphipod crustaceans are listed from the state of Arkansas. Included are species from the families Allocrangonyctidae, Crangonyctidae, Gammaridae and Hyalellidae and the genera Allocrangonyx, Bactrurus, Crangonyx, Stygobromus, Gammarus, and Hyalella. Ten of the species are restricted to subterranean groundwaters, 2 are closely associated with groundwater but also occur in surface waters, and 8 are known primarily from surface waters. Two of the species are in the process of being described in the literature, whereas 2 remain only provisionally recognized to date. On the basis of this new …

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Distribution And Status Of The Kiamichi Shiner, Nottropis Ortenburgeri Hubbs (Cyprinidae), Henry W. Robison Jan 2005

Distribution And Status Of The Kiamichi Shiner, Nottropis Ortenburgeri Hubbs (Cyprinidae), Henry W. Robison

Journal of the Arkansas Academy of Science

The Kiamichi shiner, Notropis ortenburgeri, a diminuitive, silvery, upland stream fish in southwestern Arkansas and eastern Oklahoma was studied from 1999-2001 to determine its distribution, habitat, and conservation status in Arkansas and Oklahoma. Eighty-five collections were made during the two-year study. The present distribution in Arkansas and Oklahoma is described as well as the conservation status of the Kiamichi shiner in both states.

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Seasonal Incidence Of Sperm Within The Spermathecae Of Ouachita Dusky Salamanders (Desmognathus Brimleyorum) In Arkansas, Stanley E. Trauth, Michelle N. Mary Jan 2005

Seasonal Incidence Of Sperm Within The Spermathecae Of Ouachita Dusky Salamanders (Desmognathus Brimleyorum) In Arkansas, Stanley E. Trauth, Michelle N. Mary

Journal of the Arkansas Academy of Science

We examined 91 adult female Ouachita dusky salamanders {Desmognathus brimleyorum) to determine the seasonal incidence of sperm within spermathecae. The spermatheca (sperm storage gland) along with supporting tissue was removed from the dorsal cloacal wall of each female and prepared for light microscopy. We recorded the reproductive condition of females (diameter of enlarged ovarian follicles =EOF) and found large aggregates of sperm within the spermathecae during all months, except February (no specimens available). The highest incidence of sperm in spermathecae occurred in July specimens (53%; n = 17). Although the known nesting season runs from July into August in this …

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Identification Of Cystacanths And Adults Of Oligacanthorhynchus Tortuosa, Macracanthorhynchus Ingens, And Macracanthorhynchus Hirudinaceus Based On Probiscis And Hook Morphometrics, Dennis J. Richardson Jan 2005

Identification Of Cystacanths And Adults Of Oligacanthorhynchus Tortuosa, Macracanthorhynchus Ingens, And Macracanthorhynchus Hirudinaceus Based On Probiscis And Hook Morphometrics, Dennis J. Richardson

Journal of the Arkansas Academy of Science

No abstract provided.

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Abnormalities In The Ozark Hellbender, (Cryptobranchus Alleganiensis Bishopi) In Arkansas: A Comparison Between Two Rivers With A Historical Perspective, Waylon R. Hiler, Benjamin A. Wheeler, Stanley E. Trauth Jan 2005

Abnormalities In The Ozark Hellbender, (Cryptobranchus Alleganiensis Bishopi) In Arkansas: A Comparison Between Two Rivers With A Historical Perspective, Waylon R. Hiler, Benjamin A. Wheeler, Stanley E. Trauth

Journal of the Arkansas Academy of Science

We documented abnormalities of Ozark hellbender (Cryptobranchus alleganiensis bishopi) populations in the Eleven Point River (Randolph County, Arkansas) and the Spring River (Fulton County, Arkansas) as part of ongoing monitoring efforts in this species. We found abnormalities in 90% (9 of 10) and 40% (36 of 97) of hellbenders in the Spring River and Eleven Point River, respectively, during the 2003-2004 field seasons. Most abnormalities found in Eleven Point hellbenders were generally less invasive and seemed to be more intrinsic to the species' natural history (i.e., vicissitudes of living), whereas those found in Spring River hellbenders were gross morphological aberrations. …

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Status Survey Of The Arkansas Endemic Crayfish, Fallicambarus Gilpini Hobbs And Robinson, Henry W. Robison, Brian K. Wagner Jan 2005

Status Survey Of The Arkansas Endemic Crayfish, Fallicambarus Gilpini Hobbs And Robinson, Henry W. Robison, Brian K. Wagner

Journal of the Arkansas Academy of Science

Fieldwork was conducted during 2002-2003 on the rare, Arkansas endemic crayfish, Fallicambarus gilpini Hobbs and Robison. Collections at 87 localities revealed this crayfish at 8 sites, all located in southeastern Arkansas in Jefferson and Cleveland counties which significantly expands its known range. Fallicambarus gilpini was generally found inhabiting roadside ditches and areas of standing water where it was always taken from upslope areas away from the static water. A sex ratio of 1:1.3 males to females was determined for this species. Ovigerous females were collected from burrows on 20 March 2003. A conservation status of "threatened" is recommended for this …

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Songbird Inventory For Arkansas Post National Memorial, Philip A. Tappe Jan 2005

Songbird Inventory For Arkansas Post National Memorial, Philip A. Tappe

Journal of the Arkansas Academy of Science

Two geographically separate units of Arkansas Post National Memorial were surveyed via fixed-radius plots to document songbird species composition, richness, and diversity by migratory status and nesting guild. At the Memorial Unit, 60 species vere recorded with the Brown-headed Cowbird, Red-winged Blackbird, and Northern Cardinal being most common. individuals of these three species comprised 30% of the total number of birds recorded despite representing only 5% of the species encountered. About 2 1/2 times more resident birds were recorded than migratory birds. However, species richness and diversity of resident and migratory species were similar. The number of individuals, species richness, …

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Response Of An Arkansas White-Tailed Deer Population To Harvest, Robert E. Kissell Jr., Philip A. Tappe Jan 2005

Response Of An Arkansas White-Tailed Deer Population To Harvest, Robert E. Kissell Jr., Philip A. Tappe

Journal of the Arkansas Academy of Science

No abstract provided.

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Deer-Vehicle Collisions In Arkansas, Philip A. Tappe Jan 2005

Deer-Vehicle Collisions In Arkansas, Philip A. Tappe

Journal of the Arkansas Academy of Science

No abstract provided.

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