Sinaloa Martin
Progne sinaloae
The Sinaloa Martin (Progne sinaloae) is a legendary swallow found only in Mexico, weighing about 43 g. The Sinaloa martin is a Vulnerable species of bird in the family Hirundinidae, the swallows and martins.


About the Sinaloa Martin
The Sinaloa martin is a Vulnerable species of bird in the family Hirundinidae, the swallows and martins. It breeds in Mexico; its wintering range is not known but is believed to be in South America. There is one record from Guatemala.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
How to identify it
The Sinaloa martin is 17 to 18.5 cm (6.7 to 7.3 in) long; three individuals weighed between 42 and 43.7 g (1.5 and 1.5 oz). The sexes are dimorphic; both have a slightly forked tail. Adult males are mostly glossy steel-blue. Their wings and tail are black with a bluish gloss. Their lower breast and belly are white and their undertail coverts white with dark spots. Females have duller blue upperparts than males and sometimes have gray-brown mottling there. Their face, throat, upper breast, and flanks are dusky brown though the middle of the throat is paler than the breast. Voice: The Sinaloa martin's vocalizations are similar to those of other Progne martins; for examples see here and here.
Where it lives
When to see it
Best months: March, April, May, June, July, August, with peak activity in March. It is a variable species across most of its range.
Easily confused with
Quick questions
- How do you identify a Sinaloa Martin?
- The Sinaloa martin is 17 to 18.5 cm (6.7 to 7.3 in) long; three individuals weighed between 42 and 43.7 g (1.5 and 1.5 oz). Full identification notes are on this page.
- How big is a Sinaloa Martin?
- The Sinaloa Martin is a small sized bird weighing about 43 g.
- Where can you see a Sinaloa Martin?
- The Sinaloa Martin is endemic to Mexico, which is the only country where it occurs.
- What birds look similar to a Sinaloa Martin?
- The Sinaloa Martin is most easily confused with the Peruvian Martin, the Galapagos Martin and the Cuban Martin.
- Is the Sinaloa Martin endangered?
- The Sinaloa Martin is listed as Vulnerable on the IUCN Red List.
Learn the Sinaloa Martin for real
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