Tuesday 18 June
Laysan millerbird (Acrocephalus familiaris familiaris)
Laysan millerbird fact file
- Description
- Biology
- Range
- Habitat
- Status
- Threats
- Conservation
- Find out more
- Glossary
- References
- Print factsheet
Laysan millerbird description
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Order | Passeriformes |
| Family | Muscicapidae |
| Genus | Acrocephalus (1) |
A small and unremarkable warbler, the Laysan millerbird is so-named as it ate large numbers of moths, known as ‘millers’ on Laysan Island. It had a thin bill and was brown above, being darkest on the crown, and white below. It had a simple song of rapid, sharp notes (2).
- Size
- Length: 13 cm (2)
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Related species
Laysan millerbird biology
A monogamous species, Laysan millerbirds remained in the same pairs from year-to-year. They were territorial and nested in dense shrubs, laying two eggs between May and June. The male and female took turns to incubate the eggs over a period of 17 days. The Laysan millerbird ate insects and larvae, particularly moths (2).
TopLaysan millerbird range
The Laysan millerbird was endemic to Laysan Island in the Hawaiian archipelago, but went extinct between 1915 and 1923 (2).
TopLaysan millerbird habitat
As a land bird, the Laysan millerbird preferred dense cover on the ground, particularly amongst shrubs (2).
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Species found in a similar habitat
Laysan millerbird status
The Laysan millerbird is a subspecies of the millerbird, and is classified as Extinct (EX) on the IUCN Red List 2004 (1).
TopLaysan millerbird threats
The extinction of the Laysan millerbird between 1915 and 1923 was brought about by the introduction of rabbits to Laysan Island by guano diggers. The rabbits devastated the vegetation of the island, reducing the availability of insect prey (2).
TopLaysan millerbird conservation
This bird is now considered to be extinct.
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View information on this species at the UNEP World Conservation Monitoring Centre. |
Authentication
This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact: arkive@wildscreen.org.ukTopGlossary
- Endemic
- A species or taxonomic group that is only found in one particular country or geographic area.
- Guano
- Accumulated droppings found where large colonies of animals such as seals, bats or birds occur; it is rich in nutrients.
- Monogamous
- Having only one mate during a breeding season, or throughout the breeding life of a pair.
- Subspecies
- A population usually restricted to a geographical area that differs from other populations of the same species, but not to the extent of being classified as a separate species.
References
- IUCN Red List (February, 2005)
http://www.redlist.org - BirdLife International (February, 2005)
http://www.birdlife.org/datazone/search/species_search.html?action=SpcHTMDetails.asp&sid=7614&m=0
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Image credit
Laysan millerbird at nest, taken in 1902
© Walter K. Fisher / Denver Museum of Nature and Science
Image Archives, Denver Museum of Nature and Science
2001 Colorado Boulevard
Denver
Colorado
80205-5798
United States of America
Liz.Clancy@dmns.org
http://www.dmns.org
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