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Porzana atra

(Henderson Island Crake)

Overview

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Vulnerable

Threat status

Interesting Facts

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Common Names

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Click on the language to view common names.

Common Names in English:

Henderson crake, Henderson Island Crake, Henderson Island Rail, Red-eyed Crake

Common Names in French:

Marouette de Henderson

Common Names in German:

Tuamotusumpfhuhn

Common Names in Japanese:

ヘンダーソンクイナ

Description

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Habitat

Biome: Terrestrial [1].

Ecology: The species is found in dense to open forest throughout the island plateau , both in forest dominated by Pisonia and Pisonia/Xylosma and in Timonius thicket, also occurring in Pandanus-Thespesia-Argusia embayment forests and coconut groves on the beaches3. It is omnivorous and appears to be an opportunistic feeder , taking advantage of seasonal increases in prey3. It forages in the leaf-litter, gleaning items such as skink Emoia cyanura eggs from the undersides of fallen leaves, large nematodes , beetles, moths, spiders, dead caterpillars, land snails and small insects3. The breeding season is long, extending from late July to mid February (double broods are not uncommon) and clutch-size is 2-33. Helpers may provide extraparental care such as defending eggs and chicks from crabs and rats . Based on a small sample , adult annual survival is at least 43%, and reproductive success is a minimum of 0.95 chicks surviving to one month old per pair, per annum3.

[1].

List of Habitats :

Taxonomy

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Notes

Name Status: Accepted Name .

Last scrutiny: 28-Nov-2006

Similar Species

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Members of the genus Porzana

ZipcodeZoo has pages for 29 species and subspecies in this genus:

P. albicollis (White-Throated Crake) · P. albicollis albicollis (White-Throated Crake) · P. astrictocarpus (Little St. Helena Rail) · P. atra (Henderson Island Crake) · P. bicolor (Black-Tailed Crake) · P. carolina (Little American Water Hen) · P. cinerea (White-Browed Crake) · P. egregia (African Crake) · P. erythrops (San Cristobal Mountain Rail) · P. flavirostra (African Black Crake) · P. flaviventer (Yellow-Breasted Crake) · P. flaviventer flaviventer (Yellow-Breasted Crake) · P. fluminea (Australian Spotted Crake) · P. fusca (Ruddy-Breasted Crake) · P. fusca fusca (Ruddy-Breasted Crake) · P. marginalis (Hudsonian Curlew) · P. monasa (Kusaie Island Crake) · P. nigra (Miller's Rail) · P. palmeri (Laysan Crake) · P. parva (Little Crake) · P. parva parva (Little Crake) · P. paykullii (Band-Bellied Crake) · P. porzana (Spotted Crake) · P. pusilla (BaillonÌs Crake) · P. pusilla pusilla (BaillonÌs Crake) · P. sandwichensis (Hawaiian Crake) · P. spiloptera (Dot-Winged Crake) · P. tabuensis (Spotless Crake) · P. tabuensis tabuensis (Spotless Crake)

More Info

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Further Reading

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Notes

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Contributors

Identifiers

Footnotes

  1. BirdLife International 2008. Porzana atra. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 04 February 2012. [back]
Last Revised: 7/14/2012