Grey-breasted Martin vs Purple Martin

Grey-breasted Martin

Progne chalybea

Small43 gShrubland

The grey-breasted martin is 16–18 cm (6.3–7.1 in) in length and weighs 33–50 g (1.2–1.8 oz). It has a forked tail and relatively broad wings. The adult male is glossy blue-black with the grey-brown throat, breast and sides contrasting with the white lower underparts. The female is duller than the male with a paler throat; the juveniles have dull brown upperparts.

ID text from Wikipedia, CC BY-SA 4.0

Recording: Gean Carlo Valdés · CC0

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

Purple Martin

Progne subis

Small54 gForest

With an average length of 20 cm (7.9 in) and a wingspan of up to 38 cm (15 in), the purple martin is the largest amongst the 90 odd species in the family Hirundinidae. Measurement ranges: Length: 7.5–7.9 in (19–20 cm) Weight: 1.6–2.1 oz (45–60 g) Wingspan: 15.3–16.1 in (39–41 cm) Purple martins are sexually dimorphic. Adult males are entirely black with a glossy steel blue sheen, the only swallow in North America with such coloration. Adult females are dark on top with some steel blue sheen, and lighter underparts. Adults have a slightly forked tail.

ID text from Wikipedia, CC BY-SA 4.0

Recording: Jonathon Jongsma · CC BY-SA 4.0

Photo: JJ Cadiz, Cajay · CC BY 3.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Grey-breasted Martin and Purple Martin.