Neotoma martinensis

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	MAMMALIA	RODENTIA	CRICETIDAE

Scientific Name:

Neotoma martinensis

Species Authority:

Goldman, 1905

Common Name/s:

English

–

San Martin Island Woodrat

Assessment Information [top]

Red List Category & Criteria:

Extinct ver 3.1

Year Assessed:

2008

Assessor/s

Álvarez-Castañeda, S.T., Castro-Arellano, I. & Lacher, T.

Evaluator/s:

McKnight, M. (Global Mammal Assessment Team) & Amori, G. (Small Nonvolant Mammal Red List Authority)

Justification:
Listed as Extinct because the species has not been recorded since the 1950s, despite exhaustive surveys.

History:

1996	–	Endangered
1994	–	Endangered (IUCN)
1990	–	Endangered (IUCN 1990)

Geographic Range [top]

Range Description:	This species is known only from the type locality in Baja California Norte, México: San Martín Island (Cortez-Calva et al. 2001).
Countries:	Regionally extinct: Mexico

Population [top]

Population:	Some naturalists that visited the island in the past have noted that this species was abundant. However, recent survey efforts have failed to produce the species (Cortes-Calva et al. 2001).

Population:

Some naturalists that visited the island in the past have noted that this species was abundant. However, recent survey efforts have failed to produce the species (Cortes-Calva et al. 2001).

Habitat and Ecology [top]

Habitat and Ecology:	The island is in the Upper Sonoran life zone, and the coastal scrub vegetation includes the succulent Dudleya anthonyi (Crassulaceae), Lycium, lichens, and cacti. The island has no fresh water. The rough volcanic surface of the island has numerous caves, crevices, and cavities that are, or were, occupied by wood rats. This rodent was terrestrial and was a herbivore (Cortes-Calva et al. 2001).
Systems:	Terrestrial

Habitat and Ecology:

The island is in the Upper Sonoran life zone, and the coastal scrub vegetation includes the succulent Dudleya anthonyi (Crassulaceae), Lycium, lichens, and cacti. The island has no fresh water. The rough volcanic surface of the island has numerous caves, crevices, and cavities that are, or were, occupied by wood rats. This rodent was terrestrial and was a herbivore (Cortes-Calva et al. 2001).

Systems:

Terrestrial

Threats [top]

Major Threat(s):	Predation by feral cats has been cited as a primary threat to the extirpation of this species (Cortes-Calva et al. 2001).

Major Threat(s):

Predation by feral cats has been cited as a primary threat to the extirpation of this species (Cortes-Calva et al. 2001).

Conservation Actions [top]

Conservation Actions:	None.

Conservation Actions:

None.

Citation:	Álvarez-Castañeda, S.T., Castro-Arellano, I. & Lacher, T. 2008. Neotoma martinensis. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on 21 November 2009.
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