This drab songster nests across most of the Lower 48-except in in the far South and Southeast. It is usually found near water. Hint: This species is visually inconspicuous, usually spotted because of its warbling song.
a) Warbling vireo
b) Nashville warbler
c) Ruby-crowned kinglet
d) Least flycatcher
Identifying birds is at the very heart of bird watching. Each bird encountered is like a little puzzle or mystery to solve, because, while birds of a single species all share a certain set of physical traits, no two individual birds, like no two individual humans, are exactly alike.