Dendroica cerulea:
A Black-billed Cuckoo
Dendroica cerulea:
Head with a Black Bill
Dendroica cerulea:
Wing upperside
Dendroica cerulea:
Upperside of the Tail
Dendroica cerulea:
Shoulder
Dendroica cerulea:
Underside of the Cuckoo
Dendroica cerulea:
Clutching a Leaf
Dendroica cerulea:
Under the Wing
Dendroica cerulea:
Head and throat