Costa’s Hummingbird COHU
Costa’s Hummingbird COHU
Costa’s Hummingbird COHU male
Costa’s Hummingbird male
Costa’s Hummingbird female
Costa’s Hummingbird female
Costa’s Hummingbird male
Costa’s Hummingbird male
Costa’s Hummingbird female
Costa’s Hummingbird female
Costa’s Hummingbird female
For AHY male, wingtips extend to or beyond tail.
Costa’s AHY male tail
Male after hatch year Costa’s Hummingbird
Costa’s Hummingbird COHU
Hatch year male Costa’s Hummingbird COHU
Costa’s Hummingbird COHU
Hatch year male Costa’s Hummingbird COHU
Costa’s Hummingbird COHU
Hatch year male Costa’s Hummingbird COHU
Costa’s Hummingbird COHU
Hatch year male Costa’s Hummingbird COHU
Costa’s Hummingbird COHU
Everyone interested in hummingbirds should buy Sheri Williamsom’s
book, Hummingbirds of North America. Here is a HYM tail from that book.
Costa’s Hummingbird male HY
Costa’s Hummingbird COHU AHY male
Costa’s Hummingbird COHU AHY M
Hatch year male Costa’s Hummingbird COHU
Costa’s Hummingbird COHU
Costa’s Hummingbird COHU wing
wing comparison
Costa’s Hummingbird COHU Auricular Study
Costa’s Hummingbird COHU
Costa’s Hummingbird COHU
Costa’s Hummingbird COHU auriculars
Costa’s Hummingbird COHU
Costa’s Hummingbird COHU barb spacing
Costa’s Hummingbird COHU
Costa’s Hummingbird COHU plucked
Costa’s Hummingbird COHU open auricular (#1)
Costa’s Hummingbird COHU proximal view #1
Costa’s Hummingbird COHU open auricular (#1)
Costa’s Hummingbird COHU medial view #1
Costa’s Hummingbird COHU open auricular (#1)
Costa’s Hummingbird COHU distal view (#1)
Costa’s Hummingbird COHU closed auricular (#2)
Costa’s Hummingbird COHU proximal view (#2)
Costa’s Hummingbird COHU closed auricular (#2)
Costa’s Hummingbird COHU medial view (#2)
Costa’s Hummingbird COHU closed auricular (#2)
Costa’s Hummingbird COHU distal view (#2)
Costa’s Hummingbird COHU
Costa’s Hummingbird COHU