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Overview

This graceful bird of prey measures 16 to 18 inches in length, the female being larger. Two color phases exist: a dark phase (dark brown head, breast, and underwings), and a light color phase (dark head, light breast and light underwings). Feet and legs are yellowish in adults and greenish in immatures.

Scientific Name

Buteo solitarius
Common Name
Hawaiian Hawk
Hawaiian (='lo) Hawk
FWS Category
Birds
Kingdom
Animalia

Location in Taxonomic Tree

Genus
Buteo
Species
Buteo solitarius

Identification Numbers

TSN:

Geography

Launch Interactive Map

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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

Downlisting

Five Year Review

Delisting

Delisting

Notice

Post Delisting Monitoring Plan

Delisting

Notice

Notice

Delisting

Notice

Notice

Delisting

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Listing

Mar 11, 1967

Mar 11, 1967 Listing (Endangered)
Endangered Species List - 1967
  • Publication type: Final
View Federal Register Document
Item 1

Downlisting

Aug 5, 1993

Aug 5, 1993 Downlisting (Downlist Threatened)
ETWP; Proposed Reclassification of the Hawaiian Hawk from Endangered to Threatened Status
  • Publication type: Proposed
View Federal Register Document
Item 2

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
View Federal Register Document
Item 3

Delisting

Aug 6, 2008

Aug 6, 2008 Delisting
ETWP; Withdrawal of Proposed Reclassification of the Hawaiian Hawk or Io (Buteo solitarius) From End…
  • Publication type: Proposed
View Federal Register Document
Item 4

Delisting

Aug 6, 2008

Aug 6, 2008 Delisting (Warranted)
ETWP; Withdrawal of Proposed Reclassification of the Hawaiian Hawk or Io (Buteo solitarius) From End…
  • Publication type: 12m petition finding
View Federal Register Document
Item 5

Notice

Feb 11, 2009

Feb 11, 2009 Notice
Removing the Hawaiian Hawk From the Federal List of Endangered and Threatened Wildlife
  • Publication type: Comment Period Reopening
View Federal Register Document
Item 6

Post Delisting Monitoring Plan

Feb 11, 2009

Feb 11, 2009 Post Delisting Monitoring Plan (Document Availability (non-FR))
Removing the Hawaiian Hawk From the Federal List of Endangered and Threatened Wildlife
  • Publication type: Draft
View Federal Register Document
Item 7

Delisting

Feb 11, 2009

Feb 11, 2009 Delisting
Removing the Hawaiian Hawk From the Federal List of Endangered and Threatened Wildlife
  • Publication type: Proposed
View Federal Register Document
Item 8

Notice

Jun 5, 2009

Jun 5, 2009 Notice
Removing the Hawaiian Hawk From the Federal List of Endangered and Threatened Wildlife
  • Publication type: Public Hearing
View Federal Register Document
Item 9

Notice

Jun 5, 2009

Jun 5, 2009 Notice
Removing the Hawaiian Hawk From the Federal List of Endangered and Threatened Wildlife
  • Publication type: Comment Period Reopening
View Federal Register Document
Item 10

Delisting

Jun 5, 2009

Jun 5, 2009 Delisting
Removing the Hawaiian Hawk From the Federal List of Endangered and Threatened Wildlife
  • Publication type: Proposed
View Federal Register Document
Item 11

Notice

Feb 12, 2014

Feb 12, 2014 Notice
Removing the Hawaiian Hawk From the Federal List of Endangered and Threatened Wildlife
  • Publication type: Comment Period Reopening
View Federal Register Document
Item 12

Notice

Oct 30, 2018

Oct 30, 2018 Notice
Removing the Hawaiian Hawk From the Federal List of Endangered and Threatened Wildlife; Proposed rul…
  • Publication type: Comment Period Reopening
View Federal Register Document
Item 13

Delisting

Jan 2, 2020

Jan 2, 2020 Delisting
Removing the Hawaiian Hawk From the Federal List of Endangered and Threatened Wildlife
  • Publication type: Final
View Federal Register Document
Item 14

TimelineJS
Key:

Event

Regulatory Status Change