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  • Canadian Herpetological Society
    The American Toad is a medium to large toad that can grow to over 11 cm in body length; however, females grow much larger than males, which rarely exceed 8 5 cm in body length Individuals are typically brown, tan or grey but are sometimes red, orange, olive brown or dark brown, and they have small dark spots on the back that each contain one
  • 10 Types of Frogs Found in California! (ID Guide) - Bird . . .
    Tailed frogs get their name from a unique habitat adaptation, the male frog’s cloacal extension This extension is used to insert sperm into the female so it isn’t lost in the fast-moving water They are the only North American species of frog to reproduce through internal fertilization The females lay strings of eggs under rocks in the
  • Global exposure risk of frogs to increasing environmental . . .
    Behavioural and physiological sensitivity to water loss can vary by species accordingly Anurans (frogs and toads), of over 4 months occurred over a limited area (0 9%) 7,238 amphibian
  • Pickerel frog - Wikipedia
    The pickerel frog is a trogloxene species, meaning they occur in caves, but are unable to complete their life cycles there Though they are most abundant in caves during the winter, they are active deep within caves at almost any time of year [ 11 ]
  • River Frog (Rana [Lithobates] hecksheri) - University of Georgia
    Habitat loss is presumed to be the cause of these declines There is no state or federal law protecting this species The IUCN (Red List) Status for this species is LC (Least Concern) Pertinent References: Beane, Jefferey C 1998 Status of the river frog (Rana heckscheri), in North Carolina Brimleyana 25: 69-79 Altig, R 1981
  • The secrets of frog vision are finally being revealed
    'There are almost 7,000 species of living frogs described so far, and they're not all the same,' explains Jeff 'In other groups where we see large numbers of species that have evolved over tens to hundreds of millions of years, we know that visual systems have changed a lot, often in relation to what they're doing '
  • New Zealand frogs pepeketua: Reptiles and frogs.
    Hochstetter’s frog, which is semi-aquatic, does have a tadpole-like stage and the embryos can swim after hatching There are also three introduced species of frog in New Zealand These species are easily distinguished from native frogs because they have loud mating calls and pass through a tadpole stage Identify introduced frog species





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