Cerulean Warbler vs Hermit Warbler

Cerulean Warbler

Setophaga cerulea

Tiny9 gForest

The cerulean warbler is one of the smallest Setophaga wood-warblers, about 11 cm (4.3 in) long, weighing 8–10 g (0.28–0.35 oz), and having a wingspan of 20 cm (7.9 in). Males are slightly larger than females, and older males tend to also be larger. Wing chord measures 62–66 mm (2.4–2.6 in), while the tail is 40.6–42.7 mm (1.60–1.68 in) long. The culmen, or upper edge of the beak, measures 9.5–9.8 mm (0.37–0.39 in) long, 3.5 mm (0.14 in) wide and 3.5 mm (0.14 in) height. The cerulean warbler is strongly sexually dichromatic.

ID text from Wikipedia, CC BY-SA 4.0

Recording: Manuel cabrera · CC BY-SA 4.0

Photo: (c) Matt Schenck, some rights reserved (CC BY), uploaded by Matt Schenck · cc-by

Hermit Warbler

Setophaga occidentalis

Tiny10 gForest

Hermit warblers are dark gray in coloration on top, and white below, and their flanks are streaked with black. The wings have two diagonal white wing bars. The majority of the hermit warbler's head is yellow, and males have a dark black throat, while females have much less black on their throat bib and immature birds have no black throat. Both males and females measure 5.5 inches (14 cm) in length, 0.3 to 0.5 oz (8.5 to 14.2 g) in weight, and 7.9 in (20 cm) in wingspan.

ID text from Wikipedia, CC BY-SA 4.0

Photo: (c) Frode Jacobsen, some rights reserved (CC BY) · cc-by

Photos and recordings are credited to their authors under the licence shown. Full profiles: Cerulean Warbler and Hermit Warbler.