Black-capped Gnatcatcher Similar Species Comparison
Main SpeciesBlack-capped Gnatcatcher
Breeding male
A small gray songbird with a long tail and long bill. Upperparts are blue-gray and underparts are grayish-white. Adult male in breeding plumage has a black cap that extends from the bill to behind the eye.
© Chris McCreedy - no playbacks / Macaulay LibraryArizona, March 31, 2018Female/nonbreeding male
Female and nonbreeding male lack a black cap. Note the white outer tail feathers contrasting with the black inner feathers.
© Chris McCreedy - no playbacks / Macaulay LibraryArizona, December 19, 2017Breeding male
A small, fidgety songbird that frequently flicks and cocks its long tail. Grayish-white below with darker gray upperparts. Adult male in breeding plumage has a black cap that stretches from the base of the bill to behind the eye. Gives a variety of nasal mewing calls.
© Joe Aliperti / Macaulay LibraryArizona, April 26, 2023Female/nonbreeding male
Female and nonbreeding male have a full white eyering. Note the long, dark bill.
© Luke Seitz / Macaulay LibraryArizona, December 11, 2017Breeding male
The underside of the tail appears white when the tail is closed.
© Bryan Calk / Macaulay LibraryArizona, May 18, 2017Female/nonbreeding male
Nearly endemic to northwestern Mexico, but also occurs annually in southeastern Arizona in small numbers.
© Chris McCreedy - no playbacks / Macaulay LibraryArizona, December 21, 2018Female/nonbreeding male
Frequently cocks its tail like other gnatcatchers.
© Laurens Halsey / Macaulay LibraryArizona, February 23, 2016Tail is strongly graduated, with central feathers longer than outermost feathers. The two outer tail feathers are mostly white.
© Bob Friedrichs / Macaulay LibraryArizona, January 11, 2017Breeding male
Occurs in thorn scrub, dry forest, and in the northern part of its range, in woodland along creeks and rivers.
© Ryan Terrill / Macaulay LibrarySonora, April 21, 2018Similar SpeciesBlue-gray Gnatcatcher
Female/nonbreeding male
Blue-gray Gnatcatcher females and nonbreeding males are very similar to female/nonbreeding male Black-capped Gnatcatchers. Blue-gray Gnatcatcher has a slightly shorter bill and a less graduated tail, but the best way to tell the two species apart is by voice.
© Will Sweet / Macaulay LibraryMaine, April 20, 2023Similar SpeciesBlack-tailed Gnatcatcher
Breeding male
Breeding male Black-tailed Gnatcatcher has a more extensive black cap and a more prominent white eyering than breeding male Black-capped Gnatcatcher. Note the mostly black tail.
© Aaron Boone / Macaulay LibraryTexas, June 20, 2020Similar SpeciesBlack-tailed Gnatcatcher
Nonbreeding male
Black-tailed Gnatcatcher is well-named—it has a mostly black tail with white edges and white spots, whereas Black-capped Gnatcatcher’s undertail looks white when closed.
© Evan Larson / Macaulay LibraryArizona, December 28, 2022Compare with Similar Species
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Species in This Family
Gnatcatchers(Order: Passeriformes, Family: Polioptilidae)
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