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Full-Text Articles in Animal Sciences

Age Estimation Using Phalangeal Skeletochronology In Northern Crawfish Frogs, Lithobates Areolatus Circulosus (Amphibia: Anura: Ranidae), From Arkansas, Stanley E. Trauth, Christopher S. Thigpen Jan 2019

Age Estimation Using Phalangeal Skeletochronology In Northern Crawfish Frogs, Lithobates Areolatus Circulosus (Amphibia: Anura: Ranidae), From Arkansas, Stanley E. Trauth, Christopher S. Thigpen

Journal of the Arkansas Academy of Science

As an obligate crayfish burrow dweller, crawfish frogs have historically occupied a relatively narrow ecological niche throughout their distribution in the tall grass prairies and grasslands of the central and south-central United States. In Arkansas, the Northern Crawfish Frog, Lithobates areolatus circulosus, occurs in only 19 of its 75 counties. Because of their secretive nature, late winter-early spring breeding season, and current protected status by the Arkansas Game and Fish Commission, this species remains a rarity in most museum collections in the state. Moreover, only anecdotal information exits regarding any aspect of their natural history in Arkansas. In the …


Plains Spotted Skunk Pelt Purchase Trends In The Ozarks And Ouachitas, 1943-1990, D. Blake Sasse Jan 2019

Plains Spotted Skunk Pelt Purchase Trends In The Ozarks And Ouachitas, 1943-1990, D. Blake Sasse

Journal of the Arkansas Academy of Science

The Plains spotted skunk (Spilogale putorius interrupta) is a small carnivore that has experienced population declines across much of its range and is currently being considered for listing as an endangered species. I utilized harvest data on pelts from the Ozarks of Missouri and Arkansas and the Ouachita mountains in Arkansas that were purchased by fur dealers from 1943-1990 to examine trends in harvest levels over time. Purchases in all three regions declined in the late 1940s and early 1950s, but purchases in the Arkansas returned to near or at historic levels in the early 1960s and the …


Bilateral Diaphyseal Chondrodysplasia And Polymorphic Osteodysplasia Of The Tibiofibulas In A Southern Leopard Frog, Lithobates Sphenocephalus (Amphibia: Anura: Ranidae), Stanley E. Trauth, Malcolm L, Mccallum Jan 2019

Bilateral Diaphyseal Chondrodysplasia And Polymorphic Osteodysplasia Of The Tibiofibulas In A Southern Leopard Frog, Lithobates Sphenocephalus (Amphibia: Anura: Ranidae), Stanley E. Trauth, Malcolm L, Mccallum

Journal of the Arkansas Academy of Science

Much attention has been focused on limb malformations in anurans following the startling discovery of major limb deformities in Northern Leopard Frogs (Rana pipiens) in Minnesota in 1995. The numerous causes for these malformations can be attributed to a number of natural phenomena, or they can be considered as being manmade. In the present study, we report on a previously undescribed type of limb abnormality in a single individual of the Southern Leopard Frog (Lithobates sphenocephalus) from Arkansas. Histological examination of left tibiofibula revealed a complete disruption of the normal diaphyseal bone structure in this adult …


Long-Tailed Weasel (Mustela Frenata) Distribution Survey In Arkansas: Challenges In Detecting A Rare Species, Suzanne D. Johnston, D. Blake Sasse, Robert E. Kissell Jr. Jan 2019

Long-Tailed Weasel (Mustela Frenata) Distribution Survey In Arkansas: Challenges In Detecting A Rare Species, Suzanne D. Johnston, D. Blake Sasse, Robert E. Kissell Jr.

Journal of the Arkansas Academy of Science

Long-tailed weasels (Mustela frenata) have one of the widest distributions of mustelids in the western hemisphere and were distributed across a majority of the American continents ranging from Canada through the contiguous United States, Mexico, and into northern South America. However, on a local scale they are considered uncommon and rare. We assessed the distribution of long-tailed weasels across Arkansas to determine occupancy in each ecoregion of Arkansas, and determined the detectability on two local, adjacent sites. No long-tailed weasels were detected within the ecoregions, but the species was detected with intensive sampling on one local site. It …