trill

frog

song

vocalization

singing

sound

treefrog

night

nocturnal

back

green

gray

male

hyla

versicolor

herpetology

climbing

animal

behavior

mating

attraction

wildlife

creature

fauna

close

beautiful

bark

tree

texture

wood

nature

brown

forest

trunk

pattern

plant

rough

abstract

oak

natural

old

textured

surface

closeup

moss

detail

macro

pine

wooden

timber