texanum, unisexual Ambystoma hybrids, Bufo americanus
Species- and age-related differences in susceptibility to pesticide exposure for two amphibians, Rana pipiens, and Bufo americanus
americanus Holbrook, 1836, Eastern American Toad (I, II, III, IV)
tadpoles spend the night in the deeper and warmer areas of the pond and begin migrating to the shallow areas when light intensity increases and warms the water (Beiswenger 1977).
Breeding seasons of some species such as Rana sylvatica and Bufo americanus
are notoriously short, while others (i.
was heard at four sites along two routes.
from Maryland and Acris crepitans from Illinois have been found infected with chytridiomycosis without observed deaths (37,38).
Mass predation on a population of the American toad, Bufo americanus
The number of species with enough males to chorus increased from two in 2001 (Acris crepitans, Hyla cinerea) to five in 2002 (Acris crepitans, Hyla chrysoscelis, Hyla cinerea, Pseudacris crucifer, Rana sphenocephala), fell to four in 2003 (Acris crepitans, Bufo fowleri, Hyla chrysoscelis, Hyla cinerea), and rose to seven in 2004 (Acris crepitans, Bufo americanus
, Hyla chrysoscelis, Hyla cinerea, Pseudacris crucifer, Pseudacris feriarum, Rana sphenocephala).
Manitou Notophthalmus viridescens X X X Plethodon cinereus X X X X X Ambystoma laterale X X X Ambystoma maculatum X X Bufo americanus
X X X X X X Hyla versicolor X Pseudacris crucifer X X* X X X Rana catesbeiana X X Rana clamitans X X X X Rana sylvatica X X Rana pipiens X X Chelydra serpentina X X X Chrysemys picta X X X X Thamnophis sirtalis X X X X X Thamnophis sauritus X X Nerodia sipedon X X X X X Storeria dekayi X Storeria occipitomaculata X X X Diadophis punctatus X X X X Liochlorophis vernalis X Lampropeltis triangulum X X X X Species Islands S.
The amphibians, in approximate order of decreasing abundance, were: Acris crepitans, Pseudacris crucifer, Bufo americanus
, Pseudacris triseriata, Rana catesbeiana, Rana clamitans, Bufo fowlerii.
charlesmithi Bragg, 1954 (Dwarf American Toad).