Gallinula chloropus guami

Mariana Common Gallinule

FWS Focus

Overview

The Mariana Island subspecies of the Common Moorhen resembles other moorhen subspecies found throughout the world. The Mariana Common Moorhen is a slate-black bird about 14 inches (35 centimeters) in length. It has sooty black on the head and neck; dark-bluish slate-gray on the upper back; brownish on the lower back & wing-coverts; blackish-brown on the tail; dark brown on the wings; white on the outer edge of the first wing primary; dark slate-gray on the breast & upper abdomen; dark underwings with white edges; white under-tail coverts; a red bill & frontal shield; yellowish on the tip of the bill; & olive-green legs & with large unwebbed feet. The adult female resembles the adult male, but has a smaller frontal shield on the base of the top of the beak. Immature birds resemble the adults, but the plumage is more mottled with white and brown, & the frontal shield is small. Males and females are nearly identical in appearance and are difficult to distinguish from each other.

Scientific Name

Gallinula chloropus guami
Common Name
Mariana Common Gallinule
Mariana Common Moorehen
Mariana common moorhen (pulattat)
FWS Category
Birds
Kingdom

Location in Taxonomic Tree

Identification Numbers

TSN:

Geography

Launch Interactive Map

Timeline

Explore the information available for this taxon's timeline. You can select an event on the timeline to view more information, or cycle through the content available in the carousel below.

14 Items

Listing

Notice

Listing

Listing

Listing

Listing

Correction

Listing

Five Year Review

Five Year Review

Five Year Review

Recovery Plan

Technical Correction

Five Year Review

1760
1770
1780
1790
1800
1810
1820
1830
1840
1850
1860
1870
1880
1890
1900
1910
1920
1930
1940
1950
1960
1960
1970
1980
1990
2000
2010
2020
2030
2040
2050
2060
2070
2080
2090
2100
2110
2120
2130
2140
2150
2160
2170
2180
2190
2200
2210
2220
2230
1957
1958
1959
1961
1962
1963
1964
1965
1966
1967
1968
1969
1971
1972
1973
1974
1975
1976
1977
1978
1979
1981
1982
1983
1984
1985
1986
1987
1988
1989
1991
1992
1993
1994
1995
1996
1997
1998
1999
2001
2002
2003
2004
2005
2006
2007
2008
2009
2011
2012
2013
2014
2015
2016
2017
2018
2019
2021
2022
2023
2024
2025
2026
2027
2028
2029
2031
2032
2033
2034
2035
2036
2037
2038
2039
2041
2042
2043
2044

Listing

May 18, 1979

May 18, 1979 Listing (Substantial)
Review of the Status of Ten Birds and Two Mammals from Guam
  • Publication type: 90 day petition finding
  • Population:
Item 1

Notice

Jun 13, 1979

Jun 13, 1979 Notice
Review of the Status of Ten Birds and Two Mammals from Guam
  • Publication type: Comment Period Extension
  • Population:
Item 2

Listing

May 12, 1981

May 12, 1981 Listing (Substantial)
ETWP; Notice of Petition Acceptance and Status Review
  • Publication type: 90 day petition finding
  • Population:
Item 3

Listing

Dec 30, 1982

Dec 30, 1982 Listing
Review of Vertebrate Wildlife for Listing as End. or Thr. Species
  • Publication type: CNOR
  • Population:
Item 4

Listing

Nov 29, 1983

Nov 29, 1983 Listing (Endangered)
Proposed End. Status for Seven Birds & Two Mammals from Mariana Islands; 48 FR 53729-53733
  • Publication type: Proposed
  • Population:
Item 5

Listing

Jan 20, 1984

Jan 20, 1984 Listing (Warranted But Precluded)
Findings on Pending Petitions & Description of Progress on Listing Actions; 49 FR 2485-2488
  • Publication type: 12m petition finding
  • Population:
Item 6

Correction

Feb 16, 1984

Feb 16, 1984 Correction
(Correction) Findings on Pending Petitions & Description of Progress on Listing Actions; 49 FR 5…
  • Publication type: Notice
  • Population:
Item 7

Listing

Aug 27, 1984

Aug 27, 1984 Listing (Endangered)
Determination of End. Status for 7 Birds & 2 Bats of Guam & Northern Mariana Islands; 49 FR…
  • Publication type: Final
  • Population:
Item 8

Five Year Review

Mar 8, 2007

Mar 8, 2007 Five Year Review (Information Solicitation)
Initiation of 5-Year Reviews of 71 Species in Oregon, Hawaii, Commonwealth of the Northern Mariana I…
  • Publication type: Notice
  • Population:
Item 9

Five Year Review

Feb 5, 2013

Feb 5, 2013 Five Year Review (Information Solicitation)
Endangered and Threatened Wildlife and Plants; Initiation of 5-Year Status Reviews of 44 Species i…
  • Publication type: Notice
  • Population:
Item 10

Five Year Review

May 7, 2018

May 7, 2018 Five Year Review (Information Solicitation)
Initiation of 5-Year Status Reviews for 156 Species in Oregon, Washington, Hawaii, Palau, Guam, and…
  • Publication type: Notice
  • Population:
Item 11

Recovery Plan

Jun 27, 2019

Jun 27, 2019 Recovery Plan (Document Availability (non-FR))
Endangered and Threatened Wildlife and Plants; 29 Draft Recovery Plan Revisions for 42 Species Acros…
  • Publication type: Draft
  • Population:
Item 12

Technical Correction

Feb 2, 2023

Feb 2, 2023 Technical Correction
Endangered and Threatened Wildlife and Plants; Technical Corrections for 62 Wildlife and Plant Speci…
  • Publication type: Direct Final
  • Population:
Item 13

Five Year Review

Mar 23, 2023

Mar 23, 2023 Five Year Review (Information Solicitation)
Endangered and Threatened Wildlife and Plants; Initiation of 5-Year Status Reviews for 133 Species i…
  • Publication type: Notice
  • Population:
Item 14