Brown nunlet

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Brown nunlet

From Wikipedia, the free encyclopedia

Brown nunlet

Conservation status
Least Concern (IUCN 3.1)^[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Piciformes
Genus:	Nonnula
Species:	N. brunnea
Binomial name
*Nonnula brunnea* Sclater, PL, 1881

The brown nunlet (Nonnula brunnea) is a species of near-passerine bird in the family Bucconidae, the puffbirds, nunlets, and nunbirds. It is found in Colombia, Ecuador, and Peru.^[2]^[3]

Taxonomy and systematics

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The brown nunlet is monotypic. Its relationship to others of its genus has not been detailed but it is believed to be most closely related to the rusty-breasted nunlet (N. rubecula) and fulvous-chinned nunlet (N. sclateri) and may form a superspecies with them. It has sometimes been considered conspecific with the latter, and alternatively as conspecific with grey-cheeked nunlet (N. frontalis) and rufous-capped nunlet (N. ruficapilla).^[4]^[5]

Description

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The brown nunlet is 14 to 15 cm (5.5 to 5.9 in) long. Its crown and upperparts are plain brown. It has a buffy rufous band from the bill to the eye, a narrow buffy ring around the eye, and dark grayish brown cheeks. The throat and flanks are dark rufous, and the chin and breast pale rufous. The belly is buffy rufous. The bill, eye, and feet are dark.^[4]

Distribution and habitat

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The brown nunlet is found from south-central Colombia through eastern Ecuador into northern Peru. It inhabits humid lowland terra firme forest and dense secondary forest. It tends to remain below the canopy. In Ecuador it mostly occurs below 400 m (1,300 ft) of elevation but has been recorded as high as 700 m (2,300 ft).^[4]

Behavior

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Feeding

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Almost nothing is known about the brown nunlet's feeding behavior or diet. It has been observed joining flocks of Myrmotherula antwrens.^[4]

Breeding

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One nest of the brown nunlet was a trench excavated in the ground and roofed with sticks and leaves.^[4] Its close relative the rusty-breasted nunlet also nests in a shallow scrape that it covers with twigs and leaves. That species' clutch size is usually four eggs.^[4]^[6]

Songs and calls

Listen to brown nunlet on xeno-canto

Vocalization

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The brown nunlet's song is "a series of 20–25 'treeu' notes, repeated steadily, starting quietly, building up, and then fading again towards end."^[4]

Status

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The IUCN has assessed the brown nunlet as being of Least Concern, though its population is unknown and believed to be decreasing.^[1] It appears to be rare to uncommon across its range.^[4]

References

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^ ^a ^b BirdLife International (2016). "Brown Numlet Nonnula brunnea". IUCN Red List of Threatened Species. 2016. Retrieved 10 November 2021.
^ Gill, F.; Donsker, D.; Rasmussen, P. (July 2021). "IOC World Bird List (v 11.2)". Retrieved July 14, 2021.
^ Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 24 August 2021. Species Lists of Birds for South American Countries and Territories. https://www.museum.lsu.edu/~Remsen/SACCCountryLists.htm retrieved August 24, 2021
^ ^a ^b ^c ^d ^e ^f ^g ^h Rasmussen, P. C., N. Collar, and E. de Juana (2020). Brown Nunlet (Nonnula brunnea), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.bronun1.01 retrieved November 10, 2021
^ Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 24 August 2021. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm retrieved August 24, 2021
^ Cockle, Kristina L.; Ferreyra, Carlos A.; Gómez, Milka R.; Pagano, Luis G.; Bodrati, Alejandro (2020). "Reproductive biology of the Rusty-breasted Nunlet (Nonnula rubecula)". The Wilson Journal of Ornithology. 132 (4): 911–923.

External links

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Brown Nunlet photo gallery VIREO
Photos and videos on Birds of the world

Taxon identifiers
Nonnula brunnea	Wikidata: Q1268358 Wikispecies: Nonnula brunnea ADW: Nonnula_brunnea BirdLife: 22682307 BOW: bronun1 CoL: 47PNK eBird: bronun1 EoL: 914772 GBIF: 2475135 iNaturalist: 1569 IRMNG: 11058546 ITIS: 554370 IUCN: 22682307 Neotropical: bronun1 Observation.org: 70924 Open Tree of Life: 3600710 Xeno-canto: Nonnula-brunnea

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