Bolyeria multocarinata

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	REPTILIA	SQUAMATA	BOIDAE

Scientific Name:

Bolyeria multocarinata

Species Authority:

(Boie, 1827)

Common Name/s:

English	–	Round Island Burrowing Boa
French	–	Boa Fouisseur De L'Ile Ronde, Boa Fouisseur De L'île Maurice, Bolyeride
Spanish	–	Boa Excavadora De Round Island

Assessment Information [top]

Red List Category & Criteria:

Extinct ver 2.3

Year Assessed:

1996

Annotations:

Needs updating

Assessor/s

Madagascar Reptile & Amphibian Specialist Group

Justification:
Formerly restricted to Round Island, Mauritius, this species has not been recorded since 1975. Soil erosion and a general decline in habitat quality have been blamed for the extinction of this Boa.

History:

1994	–	Extinct? (Groombridge 1994)
1990	–	Endangered (IUCN 1990)
1988	–	Endangered (IUCN Conservation Monitoring Centre 1988)
1986	–	Endangered (IUCN Conservation Monitoring Centre 1986)

Geographic Range [top]

Range Description:	Bolyeria multocarinata was formerly restricted to Round Island, a 151 ha volcanic islet approximately 0.25 ha NNE of Mauritius.
Countries:	Regionally extinct: Mauritius

Population [top]

Population:	It was last recorded in 1975.

Population:

It was last recorded in 1975.

Habitat and Ecology [top]

Habitat and Ecology:	This fossorial Boa was found in the palm groves of mid-altitude top-soil layers on volcanic slopes.
Systems:	Terrestrial

Threats [top]

Major Threat(s):	The introduction of rabbits and goats to the island in 1840 resulted in damage to the vegetation, consequently causing soil erosion on the volcanic slopes and deterioration of palm forest habitat. This decline in habitat quality is thought to have been the main reason for the extinction of the Round Island Burrowing Boa.

Major Threat(s):

The introduction of rabbits and goats to the island in 1840 resulted in damage to the vegetation, consequently causing soil erosion on the volcanic slopes and deterioration of palm forest habitat. This decline in habitat quality is thought to have been the main reason for the extinction of the Round Island Burrowing Boa.

Conservation Actions [top]

Citation:	Madagascar Reptile & Amphibian Specialist Group 1996. Bolyeria multocarinata. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 02 December 2008.
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