FWS Focus

Overview

The Island Night lizard grows to be between 5 and 8 inches long. They are among the largest of the Night lizard Species. They have no eyelids and their pupils are vertical. Cool. They are gray to yellowish brown with dark spots. Some have a light stripe with dark edges. The Island Night lizard is referred to as a soft-skinned lizard, as the scales are generally small and appears to be loose around the neck.

Scientific Name

Xantusia riversiana
Common Name
Island Night Lizard
FWS Category
Reptiles
Kingdom

Location in Taxonomic Tree

Identification Numbers

TSN:

Geography

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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.

12 Items

Listing

Listing

Five Year Review

Notice

Listing

Five Year Review

Five Year Review

Delisting

Delisting

Post Delisting Monitoring Plan

Five Year Review

Delisting

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Listing

Jun 1, 1976

Jun 1, 1976 Listing (Threatened)
Proposed to Determine 2 Birds, 1 Lizard, 3 snails, and 1 Insect, all Indigenous to the California Chโ€ฆ
  • Publication type: Proposed
Item 1

Listing

Aug 11, 1977

Aug 11, 1977 Listing (Threatened)
Listing of Seven California Channel Island Animals and Plants; 42 FR 40682 40685 (San Clemente loggeโ€ฆ
  • Publication type: Final
Item 2

Five Year Review

Jul 7, 2005

Jul 7, 2005 Five Year Review (Information Solicitation)
Endangered and Threatened Wildlife and Plants; Initiation of 5-Year Reviews of the Valley Elderberryโ€ฆ
  • Publication type: Notice
Item 3

Notice

Nov 3, 2005

Nov 3, 2005 Notice
Endangered and Threatened Wildlife and Plants; Extension of Comment Period for the Valley Elderberryโ€ฆ
  • Publication type: Comment Period Extension
Item 4

Listing

Aug 22, 2006

Aug 22, 2006 Listing (Substantial)
Endangered and Threatened Wildlife and Plants; 90-Day Findings for Petitions To Delist the Island Niโ€ฆ
  • Publication type: 90 day petition finding
Item 5

Five Year Review

Feb 14, 2007

Feb 14, 2007 Five Year Review (Completion)
Initiation of 5-Year Reviews of 58 Species in California and Nevada; Availability of Completed 5-Yeaโ€ฆ
  • Publication type: Notice
Item 6

Five Year Review

May 21, 2010

May 21, 2010 Five Year Review (Information Solicitation)
Initiation of 5-Year Reviews of 34 Species in California and Nevada; Availability of 96 Completed 5-โ€ฆ
  • Publication type: Notice
Item 7

Delisting

Feb 4, 2013

Feb 4, 2013 Delisting (Warranted)
Proposed Rule: Removing the Island Night Lizard From the Federal List of Endangered and Threatened Wโ€ฆ
  • Publication type: 12m petition finding
Item 8

Delisting

Feb 4, 2013

Feb 4, 2013 Delisting
Proposed Rule: Removing the Island Night Lizard From the Federal List of Endangered and Threatened Wโ€ฆ
  • Publication type: Proposed
Item 9

Post Delisting Monitoring Plan

Feb 4, 2013

Feb 4, 2013 Post Delisting Monitoring Plan (Document Availability (non-FR))
Proposed Rule: Removing the Island Night Lizard From the Federal List of Endangered and Threatened Wโ€ฆ
  • Publication type: Draft
Item 10

Five Year Review

Apr 1, 2013

Apr 1, 2013 Five Year Review (Completion)
Initiation of 5-Year Reviews of 56 Species in California and Nevada; request for information
  • Publication type: Notice
Item 11

Delisting

Apr 1, 2014

Apr 1, 2014 Delisting
Final Rule Removing the Island Night Lizard From the Federal List of Endangered and Threatened Wildlโ€ฆ
  • Publication type: Final
Item 12