Olive-green tyrannulet

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Olive-green tyrannulet
Phylloscartes virescens Olive-green Tyrannulet; Manaus, Amazonas, Brazil (cropped).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Tyrannidae
Genus: Phylloscartes
Species:
P. virescens
Binomial name
Phylloscartes virescens
Todd, 1925
Phylloscartes virescens map.svg

The olive-green tyrannulet (Phylloscartes virescens) is a species of bird in the family Tyrannidae, the tyrant flycatchers. [2] It is found in Brazil, French Guiana, Guyana, and Suriname. [3]

Contents

Taxonomy and systematics

Some early twentieth century authors considered the olive-green tyrannulet and what are now the Panama tyrannulet (P. flavovirens) and mottle-cheeked tyrannulet (P. ventralis) as conspecific. The three are now treated by many authors as a superspecies. [4]

The olive-green tyrannulet is monotypic. [2]

Description

The olive-green tyrannulet is about 12 cm (4.7 in) long. The sexes have the same plumage. Adults have black lores and a faint yellowish white area behind the lores that connects with a prominent yellowish eye-ring. Their face is otherwise yellowish green. Their crown and upperparts are olive. Their wings are dusky with thin yellow edges on the flight feathers. Their wing coverts are dusky with medium yellow tips that form two wing bars. Their tail is olive. Their underparts are medium yellow. Both sexes have a brown iris, a long, pointed, black bill, and gray legs and feet. [5] [6]

Distribution and habitat

The olive-green tyrannulet is found in northeastern Brazil and the Guianas. It range is mostly north of the Amazon River between the Negro river and the state of Amapá, though there are also a few records south of the Amazon. The species mostly inhabits humid primary evergreen forest but also occurs in mature secondary forest. In elevation it occurs below about 500 m (1,600 ft). [5] [6]

Behavior

Movement

The olive-green tyrannulet is a year-round resident. [5]

Feeding

The olive-green tyrannulet feeds on arthropods. It forages actively and almost entirely in the forest canopy. It typically perches horizontally on a branch, sometimes with its tail slightly cocked up, and makes short sallies to grab or hover-glean prey from leaves and twigs. It typically forages singly or in pairs and usually as part of a mixed-species feeding flock. [5]

Breeding

The olive-green tyrannulet is thought to breed between December and March. Nothing else is known about its breeding biology. [5]

Vocalization

Both sexes of the olive-green tyrannulet sing "a series of high, reedy notes preceded by louder, exclamatory note, 'Queet!-peet-peet-peet-peet' ". [5]

Status

The IUCN has assessed the olive-green tyrannulet as being of Least Concern. Its population size is not known and is believed to be decreasing. No immediate threats have been identified. [1] It is considered rare and "perhaps often overlooked". The habitat in much of its range is undisturbed. [5]

Related Research Articles

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<span class="mw-page-title-main">Sclater's tyrannulet</span> Species of bird

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<span class="mw-page-title-main">Spectacled bristle tyrant</span> Species of bird

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<span class="mw-page-title-main">Coopmans's tyrannulet</span> Species of bird

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References

  1. 1 2 BirdLife International (2024). "Olive-green Tyrannulet Phylloscartes virescens". IUCN Red List of Threatened Species . 2024: e.T22699527A263883771. Retrieved 22 December 2024.
  2. 1 2 Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (August 2024). "Tyrant flycatchers". IOC World Bird List. v 14.2. Retrieved 19 August 2024.
  3. Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, G. Del-Rio, A. Jaramillo, D. F. Lane, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 18 November 2024. Species Lists of Birds for South American Countries and Territories. https://www.museum.lsu.edu/~Remsen/SACCCountryLists.htm retrieved November 26, 2024
  4. Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, G. Del-Rio, A. Jaramillo, D. F. Lane, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 18 November 2024. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm retrieved November 26, 2024
  5. 1 2 3 4 5 6 7 Fitzpatrick, J. W. (2020). Olive-green Tyrannulet (Phylloscartes virescens), 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.olgtyr1.01 retrieved December 22, 2024
  6. 1 2 van Perlo, Ber (2009). A Field Guide to the Birds of Brazil. New York: Oxford University Press. pp. 300–301. ISBN   978-0-19-530155-7.