Rufous-vented whitetip

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Rufous-vented whitetip

Least Concern  (IUCN 3.1)[1]
CITES Appendix II (CITES)[2]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Clade: Strisores
Order: Apodiformes
Family: Trochilidae
Genus: Urosticte
Species:
U. ruficrissa
Binomial name
Urosticte ruficrissa
Lawrence, 1864

The rufous-vented whitetip (Urosticte ruficrissa) is a species of hummingbird in the "brilliants", tribe Heliantheini in subfamily Lesbiinae. It is found in Colombia, Ecuador and Peru.[3][4]

Taxonomy and systematics

The rufous-vented whitetip and

monotypic.[5][3][6][4]

Description

The rufous-vented whitetip is 9 to 10 cm (3.5 to 3.9 in) long and weighs 4 to 4.2 g (0.14 to 0.15 oz). Both sexes have a medium-length straight black bill and a prominent white stripe behind the eye. Both have shining green upperparts and a forked tail, though the female's is not as deeply indented as the male's. Males have shining green underparts with buffy undertail coverts. The tail is dusky bronze; the central feathers have wide white tips. Females have white underparts spotted with green. The tail is dusky bronze with white tips on the outermost feathers. Juveniles are similar to females with the addition of brown edges on the head feathers.[7]

Distribution and habitat

The rufous-vented whitetip is found on the eastern slope of the Andes from Colombia's

cloudforest between elevations of 1,600 and 2,400 m (5,200 and 7,900 ft).[7]

Behavior

Movement

The rufous-vented whitetip is generally sedentary but locally moves to higher elevations after breeding.[7]

Feeding

The rufous-vented whitetip mostly forages from near the ground to the forest's mid level. It collects nectar from a variety of flowering plants including

bromeliads and members of genera Clusia and Palicourea. In addition to feeding on nectar it captures insects by hawking from a perch and sometimes by gleaning from vegetation.[7]

Breeding

The rufous-vented whitetip's breeding season spans from January to April. It builds a cup nest of moss and typically places it in vines 2 to 4 m (7 to 10 ft) above the ground. The female incubates the clutch of two eggs for 15 to 18 days; fledging occurs 22 to 24 days after hatch.[7]

Dickcissel male perched on a metal pole singing, with neck stretched and beak open.

Songs and calls
Listen to rufous-vented whitetip on xeno-canto

Vocalization

The rufous-vented whitetip makes a "mellow, fast twittering 'tweetweetweetwee...'" that can sound like "a laughing chatter". While feeding in flight it also makes "a single lower-pitched scratchy note 'tzrrrrr'".[7]

Status

The

IUCN has assessed the rufous-vented whitetip as being of Least Concern, though its population size is not known and believed to be decreasing. No immediate threats have been identified.[1] It is generally uncommon throughout its restricted range. It occurs in several protected areas in Colombia but the Ecuadorean cloudforest is heavily logged.[7]

References

  1. ^
    doi:10.2305/IUCN.UK.2016-3.RLTS.T22687965A93177112.en
    . Retrieved 6 May 2022.
  2. ^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
  3. ^
    doi:10.14344/IOC.ML.11.2
    . Retrieved 15 January 2022.
  4. ^ a b HBW and BirdLife International (2020) Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world Version 5. Available at: http://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v5_Dec20.zip [.xls zipped 1 MB] retrieved 27 May 2021
  5. ^ 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 31 January 2022. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm retrieved February 1, 2022
  6. ^ Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, J. A. Gerbracht, D. Lepage, B. L. Sullivan, and C. L. Wood. 2021. The eBird/Clements checklist of Birds of the World: v2021. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/ Retrieved August 25, 2021
  7. ^ a b c d e f g Schuchmann, K.L. and P. F. D. Boesman (2020). Rufous-vented Whitetip (Urosticte ruficrissa), 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.ruvwhi1.01 retrieved 6 May 2022
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