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Map TreefrogBoana geographica -
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Tungara Frog, two males calling side by side. -
Trinidad Leaf-nesting Frog,Phyllomedusa trinitatis -
Maracaibo Basin TreefrogScarthyla vigilans -
Lesser Brown Frog, Scinax rubra. -
Johnstone’s Litter FrogEleutherodactylus johnstonei -
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Marine Toad,Rhinella marina -
Johnstone’s Litter Frog, Eleutherodactylus johnstonei -
Giant TreefrogBoana boans -
Tobago Stream Frog,Mannophryne olmonae -
Tobago Stream Frog,Mannophryne olmonae -
Tobago Stream Frog,Mannophryne olmonae -
Tobago Stream Frog,Mannophryne olmonae -
Small-headed TreefrogDendropsophus microcephalus -
Rattle-voiced TreefrogBoana xerophylla -
Garman’s Thin-toed Frog, Leptodactylus fuscus, tadpoles -
Tungara Frog, Engystomops pustulosus, nest -
Marine Toad,Rhinella marina -
Rattle-voiced TreefrogBoana xerophylla -
Lesser Green TreefrogBoana punctata – daytime coloration -
Lesser Green TreefrogBoana punctata, night time coloration -
Dwarf Marsupial Treefrog Flectonotus fitzgeraldi -
Small-headed Treefrog, Dendropsophus microcephalus -
Small-headed Treefrog, Dendropsophus microcephalus -
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Giant Treefrog, Hypsiboas boans -
Garman’s Thin-toed FrogLeptodactylus validus, guarding tadpoles -
Garman’s Thin-toed FrogLeptodactylus validus -
Garman’s Thin-toed Frog, Leptodactylus validus. Guarding Tadpoles -
Garman’s Thin-toed FrogLeptodactylus validus -
Rattle-voiced TreefrogBoana xerophylla, Daytime coloration -
The Slope-headed Treefrog, Sphaenorhynchus lacteus, is a relatively large member of the geuns (females reach 47 mm, males reach 41 mm). It has smooth dorsally skin and granular skin ventrally. The snout is pointed when viewed from above, and angles sharply back when viewed laterally, hence the common name. The pupil is horizontally elliptical. Fingers are approximately two-thirds webbed, while toes are completely webbed. Males have nuptial pads on the thumbs and a large, median, subgular vocal sac. This is a savanna species that ranges from Trinidad southward in South America to Peru and Bolivia. -
Scinax ruber (Laurenti, 1768) is a small to medium tree frog, with adults reaching 33 mm (females tend to be larger). It is difficult to find even when there is a large chorus of calling males calling. Males are usually calling above the water (or ground) from bushes of herbaceous plants. They are equally difficult to catch – making long leaps that zig-zag. They do not hesitate to enter buildings where they may feed under lights attracting insects. -
Beebe’s Toad, Rhinella beebei -
The Small-headed Frog, Dendropsophus microcephalus misera, has adult males reaching 27 mm and females reaching 29 mm. Males usually sing in large choruses, with tens to a hundred individuals. However, during the dry season, only a few males may gather and call from a drying swamp. Instead of calling independently, males will respond to conspecific males and other male species within a group. It occurs at elevations below 560 m. Dendropsophus microcephalus is often found in roadside ditches, pastures or disturbed forests. Preferred breeding areas are temporary ponds, shallow ditches, or marshes. The eggs of this species are laid on or near the surface of the water, where they are usually attached to emergent vegetation. -
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Rattle-voice Treefrog, Hypsiboas crepitans, Lopinot Valley, Trinidad, WI
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