About the Mariana Swiftlet
The Mariana swiftlet or Guam swiftlet is a species of swiftlet in the family Apodidae.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
ID tip
The swiftlet is about 11 centimetres (4.3 in) in length with a dark grey-brown head and upperparts. Its throat and upper breast are grey-white with the rest of the underparts darker grey. The tail has a shallow fork and the plumage lacks gloss.
Text from Wikipedia, licensed CC BY-SA 4.0.
Where it lives
Recorded as a rare visitor in United States, Costa Rica.
When to see it
Peak activity in May · a resident species across most of its range
Easily confused with
Mossy-nest SwiftletAerodramus salanganaThe mossy-nest swiftlet is a species of swift in the family Apodidae.
Seychelles SwiftletAerodramus elaphrusThe Seychelles swiftlet is a small bird of the swift family.
Caroline SwiftletAerodramus inquietusThe Caroline swiftlet, also known as the island swiftlet, Micronesian swiftlet, or Caroline Islands swiftlet, is a species of swift in the family Apodidae.
Learn the Mariana Swiftlet for real
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