ABA Photo Quiz
with Tony Leukering
August 2019 Photo Quiz
Photos and answers are supplied by Tony Leukering, a field ornithologist based in southeast Colorado, with strong interests in bird migration, distribution, and identification. He has worked for [...]
ID Challenge #12
This month’s quiz bird produced an interesting array of responses, but most were of some species of duck. The wide bill and webbed feet certainly support such an identification.
Advanced Identification
Identifying Juvenile Warblers
The Fun Really Begins Here
Secondary Aging Criteria
It pays to pay attention to the often-overlooked secondary flight feathers of large soaring birds.
Vagrancy and Identification of First-cycle Slaty-backed Gulls
North American birders face a formative identification puzzle...