| Cinereous mourner | |
|---|---|
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| at Manaus, Amazonas state, Brazil | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Tityridae |
| Genus: | Laniocera |
| Species: | L. hypopyrra
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| Binomial name | |
| Laniocera hypopyrra (Vieillot, 1817)
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The cinereous mourner (Laniocera hypopyrra) is a species of bird in the family Tityridae. The term cinereous describes its colouration. It has traditionally been placed in the cotinga family, but evidence strongly suggest it is better placed in Tityridae,[2] where now placed by SACC. It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela. Its natural habitat is subtropical or tropical moist lowland forests.
French naturalist Louis Pierre Vieillot described the species in 1817.
Nestlings of this species are orange with long filoplumes that end in white tips and have a resemblance to hairy caterpillars of a moth belonging to the family Megalopygidae. The young birds move their heads slowly from side to side which are thought to enhance the impression by resembling a moving caterpillar. It is thought that this may be the first case of Batesian mimicry involving a harmless bird mimic and a toxic insect model, although another species, the elegant mourner (or shrike-like cotinga) (Laniisoma elegans), also has young that share a similar downy appearance; however, detailed observations of the latter are unavailable.[3][4]
- ^ BirdLife International (2017). "Laniocera hypopyrra". IUCN Red List of Threatened Species. 2017: e.T22700386A118553403. doi:10.2305/IUCN.UK.2017-3.RLTS.T22700386A118553403.en. Retrieved 12 November 2021.
- ^ Adopt the Family Tityridae Archived May 8, 2008, at the Wayback Machine - South American Classification Committee (2007)
- ^ D'Horta, Fernando Mendonça; Kirwan, Guy M.; Buzzetti, Dante (1 September 2012). "Gaudy Juvenile Plumages of Cinereous Mourner (Laniocera hypopyrra) and Brazilian Laniisoma (Laniisoma elegans)". Wilson Journal of Ornithology. 124 (3): 429–435. doi:10.1676/11-213.1. S2CID 85183818.
- ^ Londoño, Gustavo A.; García, Duván A.; Martínez, Manuel A. Sánchez (2014). "Morphological and Behavioral Evidence of Batesian Mimicry in Nestlings of a Lowland Amazonian Bird" (PDF). The American Naturalist. 185 (1): 135–141. doi:10.1086/679106. hdl:10906/79893. PMID 25560558. S2CID 28959356.