Microhabitat Selection and Predation in the Pacific Treefrog, Pseudacris regilla
ثبت نشده
چکیده
no voucher); Lake Okeechobee at Fisheating Creek 39890). GEORGIA: Chatham Co.: Old Hwy 17 ('CAS 170408). Hernando Co.: Hwy 98 at Brooksville ('LSUMZ 45359). ('CAS 169468). Hillsborough Co.: Tampa, near USF Elaphe obsoleta spiloides. MISSISSIPPI: Smith Co.: 4 campus ('HCD 4886 and 4887, no vouchers). Palm mi. N Taylorsville, Leaf River ('LSUMZ 37983). Beach Co.: S of Lake Okeechobee ('LSUMZ 37900); FLORIDA: Escambia Co.: vic. Pensacola ('LSUMZ Lake Okeechobee between Clewiston and South Bay 40944). Liberty Co.: Hwy 65 between Telogia & Su('HCD 4951, no voucher). Pinellas Co.: St. Petersburg matra ('HCD 4309, no voucher). ('LSUMZ 39925). Pinellas-Hillsborough Cos.: offElaphe obsoleta williamsi. FLORIDA: Levy Co.: Hwy spring of LSUMZ 39925 and HCD 4886 ('LSUMZ 345, ca. 4 mi. from jct Hwy 24 ('LSUMZ 40943).
منابع مشابه
Microhabitat selection by the Pacific treefrog, Hyla regilla
Substrate colour choice can provide a means of predator avoidance through crypsis. We investigated background colour choice in the Pacific treefrog, Hyla regilla, a species that shows a complex colour polymorphism. Individuals from a single population can be fixed in body colour (the nonchanging green or brown individuals) or they can show an ability to change colour between green and brown (co...
متن کاملA Reservoir Species for the Emerging Amphibian Pathogen Batrachochytrium dendrobatidis Thrives in a Landscape Decimated by Disease
Chytridiomycosis, a disease caused by the fungal pathogen Batrachochytrium dendrobatidis (Bd), is driving amphibian declines and extinctions in protected areas globally. The introduction of invasive reservoir species has been implicated in the spread of Bd but does not explain the appearance of the pathogen in remote protected areas. In the high elevation (>1500 m) Sierra Nevada of California, ...
متن کاملAccumulation of pesticides in Pacific chorus frogs (Pseudacris regilla) from California's Sierra Nevada Mountains, USA.
Pesticides are receiving increasing attention as potential causes of amphibian declines, acting singly or in combination with other stressors, but limited information is available on the accumulation of current-use pesticides in tissue. The authors examined potential exposure and accumulation of currently used pesticides in pond-breeding frogs (Pseudacris regilla) collected from 7 high elevatio...
متن کاملToxicity of two insecticides to California, USA, anurans and its relevance to declining amphibian populations.
Contaminants have been associated with population declines of several amphibian species in California (USA). Pesticides from the Central Valley of California are transported by winds into the Sierra Nevada Mountains and precipitate into wet meadows where amphibians breed. The present study examined the chronic toxicity of two of the insecticides most commonly used in the Central Valley and foun...
متن کاملCorticosterone and Growth in Pacific Treefrog (Hyla regilla) Tadpoles
In all vertebrates, responses to environmental perturbation are regulated to at least some degree by glucocorticoid hormones (GCs). In amphibians, GCs, along with several other hormones, also play an important role in larval growth and development preceding metamorphosis. Given these two well-established functions, GCs might be expected to have a role in the well-documented effects that environ...
متن کامل