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FAMILY HYLIDAE—treefrogs
Of the 600 species known worldwide, 26 are known in North America

.  These frogs move by walking and climbing more than jumping.  The presence of expanded adhesive pads on the tips of their digits allow them to climb vertical surfaces, even glass.  Additional cartilage in the distal joint between the toe bones allows additional flexibility in the tips of the digits.  Some lay eggs over the water and in some species, there is paternal care of the young (Halliday, 1987; Behler, 1989).

TREEFROGTREEFROG

TREEFROG

Hyla albopuntata

Hyla albopuntata

Hyla caingua

Hyla caingua

Hyla cerraclensis

Hyla cerraclensis

SIZE COMPARISON

SIZE COMPARISON

Hyla faber

Hyla faber

Hyla melanargyrea

Hyla melanargyrea

Hyla minuta

Hyla minuta

Hyla nana

Hyla nana

Hyla pulchella

Hyla pulchella

Hyla punctatus

Hyla punctatus

Hyla raniceps

Hyla raniceps

Hyla sanborni

Hyla sanborni

Hyla semiguttata

Hyla semiguttata

Ololygon acuminate

Ololygon acuminate

Osteocephalus langsclorffii

Osteocephalus langsclorffii

Phyllomedusa azurea

Phyllomedusa azurea

Phyllomedusa tetraploidea

Phyllomedusa tetraploidea

Phyllomedusa sauvagei

Phyllomedusa sauvagei

Phyllomedusa sauvagei

Phyllomedusa sauvagei