Species Profile
Environmental Conservation Online System

Mariana Gray swiftlet (Aerodramus vanikorensis bartschi)

Kingdom: Animalia
Class:
Order:
Family:

Listing Status:   

Where Listed: WHEREVER FOUND

General Information

The Mariana gray swiftlet has sooty black upper parts with a slightly paler rump. The underparts are dark gray but with a brownish tinge. Some white is present at the base of the feathers in the loreal region. The tarsi are naked and the irises are dark hazel. The plumage of both sexes is alike. Weights of 21 birds averaged 7.4 grams (range = 6.4 to 9.0 grams). Other measurements include: wing, average of 107.6 mm and 108 mm; tail, average of 52.3 mm; exposed culmen, average of 4.0 mm; tarsus, average of 10.4 mm, and wingspan, maximum of 233 mm.

Map of Species occurrence

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Map Image Map of Species occurrence Map of Species occurrence

This map represents our best available information about where a species is currently known to or or is believed to occur; however, it should NOT be used as an official species list for Section 7 Consultation purposes. To obtain an official species list for this purpose, please visit the Information, Planning, and Conservation (IPaC) System (click here: http://ecos.fws.gov/ipac)



This species is listed wherever it is found, but
    • States/US Territories in which the Mariana Gray swiftlet is known to or is believed to occur:  Guam , Northern Mariana Islands
    • US Counties in which the Mariana Gray swiftlet is known to or is believed to occur:  View All
    • USFWS Refuges in which the Mariana Gray swiftlet is known to occur:  GUAM NATIONAL WILDLIFE REFUGE
Current Listing Status Summary
Status Date Listed Lead Region Where Listed
08/27/1984 Pacific Region (Region 1)

» Federal Register Documents

Most Recent Federal Register Documents (Showing 5 of 7: view all)
Date Citation Page Title
02/05/2013 78 FR 8185 8187 Endangered and Threatened Wildlife and Plants; Initiation of 5-Year Status Reviews of 44 Species in Oregon, Hawaii, Guam, and the Northern Mariana Islands
04/29/2008 73 FR 23264 23266 Initiation of 5-Year Status Reviews for 70 Species in Idaho, Montana, Oregon, Washington, and the Pacific Islands
08/27/1984 49 FR 33881 33885 Determination of End. Status for 7 Birds & 2 Bats of Guam & Northern Mariana Islands; 49 FR 33881-33885
11/29/1983 48 FR 53729 53733 Proposed End. Status for Seven Birds & Two Mammals from Mariana Islands; 48 FR 53729-53733
12/30/1982 47 FR 58454 58460 Review of Vertebrate Wildlife for Listing as End. or Thr. Species

» Recovery

Recovery Plan Information Search
Current Recovery Plan(s)
Date Title Plan Action Status Plan Status
09/30/1991 Recovery Plan for the Mariana Islands Population of the Vanikoro Swiftlet (Aerodramus vanikorensis bartschi) View Implementation Progress Final
Other Recovery Documents (Showing 2 of 2)
Date Citation Page Title Document Type
02/05/2013 78 FR 8185 8187 Endangered and Threatened Wildlife and Plants; Initiation of 5-Year Status Reviews of 44 Species in Oregon, Hawaii, Guam, and the Northern Mariana Islands
  • Notice 5-year Review, Initiation
    • 04/29/2008 73 FR 23264 23266 Initiation of 5-Year Status Reviews for 70 Species in Idaho, Montana, Oregon, Washington, and the Pacific Islands
  • Notice 5-year Review, Initiation
    • Five Year Review
    Date Title
    08/27/2010 Mariana Gray Swiftlet 5-Year Review

    » Critical Habitat

    No critical habitat rules have been published for the Mariana Gray swiftlet.

    » Conservation Plans

    No conservation plans have been created for Mariana Gray swiftlet

    » Petitions

    Most Recent Petition Findings (Showing 1 of 1)
    Date Citation Page Title Finding
    05/18/1979 44 FR 29128 29130 Review of the Status of Ten Birds and Two Mammals from Guam
  • Notice 90-day Petition Finding, Substantial
  • Notice Notice of Review

    • » Life History

    No Life History information has been entered into this system for this species.

    » Other Resources

    NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

    ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

    Last updated: June 19, 2013