Oriente warbler

Oriente warbler
	Cayo Romano, Cuba
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Passeriformes
Family:	Teretistridae
Genus:	Teretistris
Species:	T. fornsi
Binomial name
	Teretistris fornsi; Gundlach, 1858
	Range of T. fornsi

Last updated April 24, 2024

Taxonomy and systematics

The Oriente warbler shares its family and genus with the yellow-headed warbler (T. fernandinae). They were originally placed in the New World warblers (Parulidae) but phylogenetic studies of nuclear and mitochondrial DNA led to reassessment of several genera and in 2017 the Cuban warblers were moved to their own family. Their closest relatives are the four members of family Spindalidae, the yellow-breasted chat (Icteria virens), and the New World blackbirds of family Icteridae.^[3]^[2]

The Oriente warbler has two subspecies, the nominate T. f. fornsi and T. f. turquinensis.^[2]

Description

The Oriente warbler is about 13 cm (5.1 in) long and weighs 7.4 to 13 g (0.26 to 0.46 oz). The nominate subspecies has a gray crown, nape, and upperparts. Its face, throat, and most of its underparts are yellow; its belly and undertail coverts are white and its flanks have a dull brownish wash. Subspecies T. f. turquinensis is slightly larger than the nominate; its crown and upperparts are sooty gray and the wash on its flanks is gray rather than brownish.^[4]

Distribution and habitat

The nominate subspecies of Oriente warbler is found in the mountains and coast of eastern Cuba and the Sabana-Camagüey Archipelago off the main island's north coast. T. f. turquinensis is found in the Sierra Maestra along the southeastern Cuban coast. It inhabits all available forest types as long as they have a relatively undisturbed understory, and also scrubby thickets in drier areas. In elevation it ranges from sea level to almost 2,000 m (6,600 ft). It tends to occur in scrubby semi-arid woodlands near the coast and in more humid forest at higher elevations.^[4]

Behavior

Movement

The Oriente warbler is a year-round resident throughout its range.^[4]

Feeding

The Oriente warbler forages from the ground to the forest mid-level, mainly by gleaning but also by hover-gleaning and probing bark and clumps of dead leaves. Its major prey is beetles (Coleoptera) but it feeds on other insects, other invertebrates, small lizards, and possibly small fruits. In the non-breeding season it often forages in flocks of up to about 15 of its species, which can be the nucleus of mixed-species foraging flocks.^[4]

Breeding

The Oriente warbler's breeding season is from March to July, with eggs laid in March and April. It makes a nest of moss, grass, rootlets, and other plant fibers. It usually places it in a clump of Tillandsia (an epiphyte) about 1 m (3 ft) up on a branch or fork. The clutch is two or three eggs. The incubation period is eight or nine days and fledging occurs 10 to 11 days after hatch.^[4]

Songs and calls

Listen to Oriente warbler on xeno-canto

Vocalization

The Oriente warbler's song is " a series of buzzy notes interspersed with sweeter notes". Its calls include a "sharp 'tchip'."^[4]

Status

The IUCN has assessed the Oriente warbler as being of Least Concern. It has a small range and its population size is unknown but believed to be stable. No immediate threats have been identified.^[1] It is "probably common within its limited and rather discontinuous range."^[4]

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References

1 2 BirdLife International (2016). "Oriente Warbler Teretistris fornsi". IUCN Red List of Threatened Species . 2016: e.T22721870A94736328. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22721870A94736328.en . Retrieved 11 October 2022.
1 2 3 Gill, F.; Donsker, D.; Rasmussen, P., eds. (August 2022). "Caribbean "tanagers", Wrenthrush, Yellow-breasted Chat". IOC World Bird List. v 12.2. Retrieved 9 August 2022.
↑ Chesser, R. T., S. M. Billerman, K. J. Burns, C. Cicero, J. L. Dunn, B. E. Hernández-Baños, R. A. Jiménez, A. W. Kratter, N. A. Mason, P. C. Rasmussen, J. V. Remsen, Jr., D. F. Stotz, and K. Winker. 2022. Check-list of North American Birds (online). American Ornithological Society. https://checklist.aou.org/taxa
1 2 3 4 5 6 7 Curson, J. (2020). Oriente Warbler (Teretistris fornsi), 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.oriwar1.01 retrieved October 11, 2022