River Warbler (Locustella fluviatilis)
Palabras clave
older,
adult,
animal,
beak,
bill,
bird,
birdsong,
tree branch,
call,
calling,
copy space,
gape,
male,
nature,
open,
open mouth,
perch,
roost,
singing,
to sit,
sitting,
song,
tree,
twig,
warbler