California Gnatcatcher vs Yucatan Gnatcatcher

California Gnatcatcher

Polioptila californica

Tiny6 gShrubland

The male California gnatcatcher is dusky gray overall, distinguished only by its black crown and thin black beak. It has a long, thin black tail with narrow white tips and edges on the underside of the tail feathers. However, the male loses its plumage colors by winter and obtains a plumage color similar to the females. The female is similar to the male, but with a blue-gray instead of a black crown.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Andy Reago & Chrissy McClarren · CC BY 2.0

Yucatan Gnatcatcher

Polioptila albiventris

6 gWoodland

The Yucatan gnatcatcher is 10 to 12 cm (3.9 to 4.7 in) long. Six males weighed 5.4 to 6.2 g (0.19 to 0.22 oz) and three females 5.0 to 5.7 g (0.18 to 0.20 oz). The female's upperparts are plumbeous gray from the crown to the rump. Its underparts are white with sometimes a pale grayish wash on the flanks. The tail's central feathers are black and each pair out from them are progressively more white until the all white outermost pair. It has a narrow white supercilium. The male's basic (non-breeding) plumage is essentially the same. Voice: The Yucatan gnatcatcher has two songs, a low-pitched nasal one and a higher-pitched clearer one. Both are in this recording: .

ID text from Wikipedia, CC BY-SA 4.0

Photo: Juan Cruzado Cortés · CC BY 4.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: California Gnatcatcher and Yucatan Gnatcatcher.