Cane toads (Rhinella marina) are a common invasive in south Florida.
A northern water snake (Nerodia sipideon) with its prize: a margined madtom (Noturus insignis).
A Leach's anole (Anolis leachii) in Bermuda, where it is a non-native species, having been introduced from Barbuda.
A pickerel frog (Lithobates palustris) takes refuge in a riverweed bed.
The Italian wall lizard (Podarcis muralis) has been extensively introduced to the American northeast. This one was photographed in a Boston garden.
A pug-nosed anole (Anolis capito) relies on its camouflage in a Costa Rican cloud forest reserve.
Northern red salamanders (Pseudotriton ruber ruber) are abundant at my home, and often emerge after spring rains.
A flap-necked chameleon (Chamaeleo dilepis) hunts roaches in a dense garden bush in coastal Kenya.
The Forrer's grass frog (Lithobates forreri) is a tropical relative of North American leopard frogs. This one was photographed along a heavily disturbed Costa Rican stream.
A painted wood turtle (Rhinoclemmys pulcherrima) crosses a rural Costa Rican road.
A pug-nosed anole (Anolis capito) relies on its camouflage in a Costa Rican cloud forest reserve.
A flap-necked chameleon (Chamaeleo dilepis) hunts roaches in a dense garden bush in coastal Kenya.
A young gray treefrog (Dryophytes sp.) perches on a leaf, protected by its green coloration.
A middle American rattlesnake (Crotalus simus) crosses a rural Costa Rican road.
Egyptian saw-scaled viper (Echis pyramidum), northwest Kenya.
A wood frog (Lithobates sylvaticus) shelters under a leaf in its breeding pool.
A house gecko scales a concrete foundation in northeast Kenya.
A wood frog (Lithobates sylvaticus) relies on its leaflike camoflauge to avoid detection.
An American toad (Anaxyrus americanus) crosses a Virginia road.
Northern red salamanders (Pseudotriton ruber ruber) are abundant at my home, and often emerge after spring rains.
A spring peeper (Pseudacris crucifer) calls to attract a mate in a Virginia wetland.
A southern two-lined salamander (Eurycea cirrigera) prowls streamside vegetation after a spring rain.
The green frog (Lithobates clamitans) is one of the most common amphibians in the eastern United States.
A remarkably large pickerel frog (Lithobates palustris), found in the margins of a man-made pond.
Northern red salamanders (Pseudotriton ruber ruber) are abundant at my home, and often emerge after spring rains.
A northern cottonmouth (Agkistrodon piscivorous) demonstrates its namesake.
Squirrel and green treefrogs swarm a campground doorway fixture, seeking the insects drawn to the light.
A squirrel treefrog shelters in a palmetto frond.
The green anole (Anolis carolinensis) quickly adapts to man-made structures, and is common in developed areas.
