Mariana Crow (Corvus kubaryi)

Federal Register | Recovery | Critical Habitat | Conservation Plans | Petitions | Life History

Listing Status:   

Where Listed: WHEREVER FOUND

General Information

A small black crow with a slight greenish black gloss on the head; back, wings and tail with bluish-black gloss; underparts with dull greenish-black gloss; bases of feathers light grayish, more nearly white on neck producing a somewhat ragged appearance; nasal bristles short but extending over nostrils and base of culmen; bill and feet black; iris dark brown. Female smaller. Immature resembles adult, but feathers with less gloss; wings and tail browner, but this characteristic may be of limited use in the field. Fledglings plumage is "ragged" looking, with white showing through from the bases of the feathers at numerous locations on the neck, back, and breast. Lower mandible near base has pink-tan showing

  • States/US Territories in which the Mariana Crow, Entire is known to or is believed to occur:  Guam , Northern Mariana Islands
  • US Counties in which the Mariana Crow, Entire is known to or is believed to occur:  View All
  • USFWS Refuges in which the Mariana Crow, Entire 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) Entire

» Federal Register Documents

Federal Register Documents
Date Citation Page Title
10/15/2002 67 FR 63738 63772 Endangered and Threatened Wildlife and Plants; Determinations of Prudency for Two Mammal and Four Bird Species in Guam and the Commonwealth of the Northern Mariana Islands and Proposed Designations of Critical Habitat for One Mammal and Two Birds Species
01/11/2006 71 FR 1766 1767 Draft Revised Recovery Plan for the Aga or Mariana Crow (Corvus kubaryi)
12/05/2002 67 FR 72407 72408 Endangered and threatened wildlife and plants; determinations of prudency for two mammal and four bird species in Guam and the Commonwealth of the nothern Mariana Islands and designations of critical habitat for one mammal and two bird species
01/20/1984 49 FR 2485 2488 Findings on Pending Petitions & Description of Progress on Listing Actions; 49 FR 2485-2488
05/12/1981 46 FR 26464 26469 ETWP; Notice of Petition Acceptance and Status Review
06/14/1991 56 FR 27485 27493 ETWP:Proposed Designation of Critical Habitat for the Little Mariana fruit bat, Mariana Fruit Bat, Guam Broadbill, Mariana Crow, Guam Micronesian King fisher, and Guam Bridled White-Eye;
12/30/1982 47 FR 58454 58460 Review of Vertebrate Wildlife for Listing as End. or Thr. Species
01/28/2003 68 FR 4159 4160 Endangered and threatened wildlife and plants; determinations of prudency for two mammal and four bird species in Guam and the Commonwealth of the northern Mariana Islands and Designations of crictial habitat for one mammal and two bird species; proposed rule; reopening of comments period
10/28/2004 69 FR 629447 629446 Endangered and threatened wildlife and plants; designation of critical habitat for the mariana fruit bat and guam micronesian kingfisher on guam and the mariana crow on guam and in the commeonwealth of the northern mariana islands; final rule
06/13/1979 44 FR 33915 Review of the Status of Ten Birds and Two Mammals from Guam
07/06/2005 70 FR 38972 38975 Initiation of 5-Year Reviews of the Mariana Fruit Bat (Pteropus mariannus mariannus), Mariana Crow (Corvus hawaiiensis), Laysan Duck (Anas laysanensis), Kauai Akialoa (Honeycreeper) (Hemignathus procerus), Large Kauai Thrush (Myadestes myadestinus), Kauai Oo (Honeyeater) (Moho braccatus), Ou (Honeycreeper) (Psittirostra psittace), Molokai Creeper (Paroreomyza flammea), Molokai Thrush (Myadestes lanaiensis rutha), Kauai Cave Wolf Spider (Adelocosa anops) Kauai Cave Amphipod (Spelaeorchestia koloana), Alsinidendron obovatum (No Common Name), Amaranthus brownii (No Common Name), Chamaesyce celastroides var. kaenana (Akoko), Chamaesyce deppeana (Akoko), Chamaesyce herbstii (Akoko), Chamaesyce skottsbergii var. kalaeloana (Ewa Plains Akoko), Clermontia pyrularia (Oha Wai), Cyanea grimesiana ssp. obatae (No Common Name), Cyanea pinnatifida (Haha), Cyanea st.-johnii (Haha), Cyanea superba (Haha), Cyanea truncata (Haha), Cyrtandra dentate (Haiwale), Gouania vitifolia (No Common Name), Hedyotis degeneri (No Common Name), Hibiscadelphus woodii (Hau Kuahiwi), Castilleja levisecta (Golden paintbrush), Fender's Blue Butterfly (Icaricia icarioides fenderi), Erigeron decumbens var. decumbens (Willamette Daisy), Lupinus sulphureus ssp. kincaidii (Kincaid's Lupine), Lomatium bradshawii (Bradshaw's Desert Parsley), and Sidalcea nelsoniana (Nelson's Checker-mallow)
05/18/1979 44 FR 29128 29130 Review of the Status of Ten Birds and Two Mammals from Guam
06/02/2004 69 FR 31073 31074 Endangered and threatened wildlife and plants; determinations of prudency ofcritical habitat designation for two mammal and four bird species in Guam and the Commonwealth of the Northern Mariana Islands; designations of critical habitat for one mammal and two bird species in guam and the commonwealth of the Northern Mariana Islands; proposed rule; reopening of comment period, notice of availablity
04/04/1994 59 FR 15696 15700 ETWP; Withdrawal of Proposed Rule to Designate Critical Habitat for the Little Mariana Fruit Bat, Mariana Fruit Bat, Guam Broadbill, Mariana Crow, Guam Micronesian Kingfisher, and Guam Bridled White-Eye
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
03/06/2012 77 FR 13248 13251 5-Year Status Reviews of 46 Species in Idaho, Oregon, Washington, Nevada, Montana, Hawaii, Guam, and the Northern Mariana Islands:Notice of initiation of reviews; request for information.
08/17/2005 70 FR 48433 Endangered and Threatened Wildlife and Plants; Initiation of 5-Year Reviews of the Mariana Fruit Bat (Pteropus mariannus mariannus), etc.; Correction

» Recovery

Current Recovery Plan(s)
Date Title Plan Action Status Plan Status
01/11/2006 Draft Revised Recovery Plan for the Aga or Mariana Crow (Corvus kubaryi) View Implementation Progress Draft Revision 1
Other Recovery Documents
Date Citation Page Title Document Type
07/06/2005 70 FR 38972 38975 Initiation of 5-Year Reviews of the Mariana Fruit Bat (Pteropus mariannus mariannus), Mariana Crow (Corvus hawaiiensis), Laysan Duck (Anas laysanensis), Kauai Akialoa (Honeycreeper) (Hemignathus procerus), Large Kauai Thrush (Myadestes myadestinus), Kauai Oo (Honeyeater) (Moho braccatus), Ou (Honeycreeper) (Psittirostra psittace), Molokai Creeper (Paroreomyza flammea), Molokai Thrush (Myadestes lanaiensis rutha), Kauai Cave Wolf Spider (Adelocosa anops) Kauai Cave Amphipod (Spelaeorchestia koloana), Alsinidendron obovatum (No Common Name), Amaranthus brownii (No Common Name), Chamaesyce celastroides var. kaenana (Akoko), Chamaesyce deppeana (Akoko), Chamaesyce herbstii (Akoko), Chamaesyce skottsbergii var. kalaeloana (Ewa Plains Akoko), Clermontia pyrularia (Oha Wai), Cyanea grimesiana ssp. obatae (No Common Name), Cyanea pinnatifida (Haha), Cyanea st.-johnii (Haha), Cyanea superba (Haha), Cyanea truncata (Haha), Cyrtandra dentate (Haiwale), Gouania vitifolia (No Common Name), Hedyotis degeneri (No Common Name), Hibiscadelphus woodii (Hau Kuahiwi), Castilleja levisecta (Golden paintbrush), Fender's Blue Butterfly (Icaricia icarioides fenderi), Erigeron decumbens var. decumbens (Willamette Daisy), Lupinus sulphureus ssp. kincaidii (Kincaid's Lupine), Lomatium bradshawii (Bradshaw's Desert Parsley), and Sidalcea nelsoniana (Nelson's Checker-mallow)
  • Notice 5-year Review
12/05/2002 67 FR 72407 72408 Endangered and threatened wildlife and plants; determinations of prudency for two mammal and four bird species in Guam and the Commonwealth of the nothern Mariana Islands and designations of critical habitat for one mammal and two bird species
  • Notice Doc. Availability
01/11/2006 71 FR 1766 1767 Draft Revised Recovery Plan for the Aga or Mariana Crow (Corvus kubaryi)
  • Notice Draft Recovery Plan Availability
03/06/2012 77 FR 13248 13251 5-Year Status Reviews of 46 Species in Idaho, Oregon, Washington, Nevada, Montana, Hawaii, Guam, and the Northern Mariana Islands:Notice of initiation of reviews; request for information.
  • Notice 5-year Review, Initiation
Five Year Review
Date Title
08/12/2014 Mariana crow 5-year review 2014

» Critical Habitat

Date Citation Page Title Document Type Status
10/28/2004 69 FR 629447 629446 Endangered and threatened wildlife and plants; designation of critical habitat for the mariana fruit bat and guam micronesian kingfisher on guam and the mariana crow on guam and in the commeonwealth of the northern mariana islands; final rule Final Rule Final designated
10/15/2002 67 FR 63738 63772 Endangered and Threatened Wildlife and Plants; Determinations of Prudency for Two Mammal and Four Bird Species in Guam and the Commonwealth of the Northern Mariana Islands and Proposed Designations of Critical Habitat for One Mammal and Two Birds Species Proposed Rule Unknown
06/14/1991 56 FR 27485 27493 ETWP:Proposed Designation of Critical Habitat for the Little Mariana fruit bat, Mariana Fruit Bat, Guam Broadbill, Mariana Crow, Guam Micronesian King fisher, and Guam Bridled White-Eye; Proposed Rule Unknown

To learn more about critical habitat please see http://ecos.fws.gov/crithab

» Conservation Plans

No conservation plans have been created for Mariana Crow.

» Petitions

» 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.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.