Madagaskariniibis

Madagaskariniibis
Uhanalaisuusluokitus

Vaarantunut [1]

Vaarantunut

Tieteellinen luokittelu
Domeeni: Aitotumaiset Eucarya
Kunta: Eläinkunta Animalia
Pääjakso: Selkäjänteiset Chordata
Alajakso: Selkärankaiset Vertebrata
Luokka: Linnut Aves
Lahko: Pelikaanilinnut Pelecaniformes
Heimo: Iibikset Threskiornithidae
Suku: Lophotibis
Laji: cristata
Kaksiosainen nimi

Lophotibis cristata
(Boddaert, 1783)

Alalajit[2]
  • L. c. cristata
  • L. c. urschi
Katso myös

  Madagaskariniibis Wikispeciesissä
  Madagaskariniibis Commonsissa

Madagaskariniibis (Lophotibis cristata) on iibiksiin kuuluva lintulaji. Lajia tavataan Madagaskarilta.

Koko ja ulkonäkö

Madagaskariniibis voi kasvaa noin 50 cm pitkäksi. Lajin nokka on erittäin pitkä, hieman alaspäinkaartuva ja väriltään keltainen. Kaula on pitkä. Madagaskariniibiksen päälaella on vihreänkiiltoisista ja vaaleanruskehtavista höyhenistä muodostunut töyhtö. Jako alalajeihin perustuu eroihin töyhdön sävyissä. Vaihtelu populaatioiden sisällä on kuitenkin suurta joten jako on osittain kyseenalainen. Pää on musta ja silmienympärykset ovat punaiset. Lajin kaula, rinta, selkä ja vatsa ovat väriltään punaruskeat. Siivet ovat valkoiset ja pyrstö musta.[3][4][5][6]

Levinneisyys ja elintavat

Madagaskariniibiksen alalajia L. c. cristata tavataan Madagaskarin itäosista ja alalajia L. c. urschi länsiosista. Lajin elinympäristöä ovat niin kosteat kuin kuivatkin metsät sekä vanilja- ja öljypalmuviljelmät. Useimmiten lintua tavataan jokien läheisyydestä. Madagaskariniibikset liikkuvat tyypillisesti pareittain ja niiden ravintoa ovat hyönteiset, sammakot, liskot ja käärmeet. Pesimäkausi on sadekaudella syyskuusta joulukuulle. Pesä rakennetaan puuhun ja naaras munii kaksi tai kolme valkoista munaa.[1][4][5][6]

Madagaskariniibis luokitellaan vaarantuneeksi ja kannan kooksi arvioidaan alle 10 000 täysikasvuista yksilöä. Kantaa uhkaavat metsästys ja elinympäristön häviäminen hakkuiden vuoksi.[1]

Lähteet

  1. ↑ a b c BirdLife International: Lophotibis cristata IUCN Red List of Threatened Species. Version 2024-2. 2024. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 28.10.2024. (englanniksi)
  2. ↑ Integrated Taxonomic Information System (ITIS): Lophotibis cristata (TSN 174973) itis.gov. Viitattu 23.2.2023. (englanniksi)
  3. ↑ James Hancock, James A. Kushlan, M. Philip Kahl: Storks, Ibises and Spoonbills of the World, s. 207. Academic Press, 1992. ISBN 9781408135006 Kirja Googlen teoshaussa (viitattu 23.2.2023). (englanniksi)
  4. ↑ a b Roger Safford, Frank Hawkins: The Birds of Africa: Volume VIII, s. 230-232. Bloomsbury Publishing, 2013. ISBN 978-0-7136-6532-1 Kirja Googlen teoshaussa (viitattu 23.2.2023). (englanniksi)
  5. ↑ a b Ken Behrens, Keith Barnes: Wildlife of Madagascar, s. 102. Princeton University Press, 2016. ISBN 978-0-691-16171-6 Kirja Googlen teoshaussa (viitattu 23.2.2023). (englanniksi)
  6. ↑ a b Ian Sinclair: Chamberlain's Birds of the Indian Ocean Islands, s. 196. Penguin Random House, 2013. ISBN 9781431700851 Kirja Googlen teoshaussa (viitattu 23.2.2023). (englanniksi)

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