Even casual birders get excited during warbler migration season! Try these tips to identify the most warblers this spring.

Built in June on the fork of a horizontal conifer branch near the trunk at low to moderate height, the yellow-rumped Warbler’s nest contains 3 to 6 eggs. Polytypic (6 ssp.). Length 5.3". Spring ...

In spring, northern subspecies takes a more westerly ... In fall, northern subspecies move later than other warblers, peaking in October in much of northern United States. Western subspecies ...