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Gabon batis

Gabon batis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Platysteiridae
Genus: Batis
Species:
B. minima
Binomial name
Batis minima
Synonyms[3]

Platystira minima J. P. Verreaux and J. B. É. Verreaux, 1855

The Gabon batis (Batis minima) or Verreaux's batis, is a species of small bird in the family Platysteiridae. It occurs in the humid forests of western Central Africa.

Description

The adult male has a velvety black head with a white loral spot and narrow supercilium, the head colour fades to blackish-grey on the hindcrown and is separated from the back by a white collar. The mantle and back are velvety-black with a mottled rump which has long, fluffy feathers. The wings are very black with a contrasting white wingstripe. The tail is black with white outer tail feathers. The underparts are white except for a glossy black breast band. The bill and legs are black and the eyes are golden yellow. The females is similar to the male but has a smaller loral spot and supercilium and has a narrower dark grey breast band.[4] They are small birds measuring 9–10 cm (3.5–3.9 in) in length and weighing 8–12 g (0.28–0.42 oz).[3]

Voice

The song is a series of high, evenly pitched thin short notes "pee-pee-pee-pee" which resembles a squeaky bicycle pump.[4]

Distribution and habitat

This species is very similar to the West African batis Batis occulta and this somewhat masks its true distribution but the Gabon batis has been found in Gabon, the Monte Alen National Park in Equatorial Guinea, the lowland Dja area in southern Cameroon and it has recently been discovered in the Dzanga-Ndoki National Park in the extreme south of the Central African Republic.[5]

The Gabon batis is found in lowland forest, normally lower than 800 m (2,600 ft). It avoids primary rainforest, other than at the forest edge, and prefers secondary forest with a dense but broken canopy and thick, low undergrowth, as well as overgrown cacao and coffee plantations. It avoids cultivated land and the vicinity of villages and other man-made habitats.[4]

Habits

The habits of the Gabon batis are similar to those of other batises and it is territorial and usually seen either singly, in pairs or in small family groups. It is a restless but unobtrusive bird and patrols the whole of its 18-20 ha territory each day, the male taking the lead and singing his song, especially in the morning and late afternoon. This species and the West African batis regularly have hostile interactions which the Gabon batis reacts to by raising its crown feathers and flicking its wings and tail while moving from sided to side. In the hottest part of the day the Gabon batis has been known to sunbathe.[4]

The Gabon batis is an arboreal forager, preferring to find food above heights of 5 m (16 ft) from the ground. It is attracted by flowering trees and prefers to forage in small leafed trees. Prey is gleaned from leaves by hovering beside the tree, or in flight or is disturbed by the moving bird and swooped on. The favoured prey is various insects between 5 and 15 mm (0.20 and 0.59 in) in length.[4]

The breeding biology of the Gabon batis is little known but young have been observed during the rainy season following the short dry season, September and February in Gabon, and the young stay with their parents for an extended period. Solitary, probably dispersing immatures were seen in the long dry season in July and August.[4]

Conservation status

The Gabon batis is suspected to be experiencing a reduction in range and population as a result of forest clearance and degradation, however the rate of the suspected decline has not been estimated.[5]

Name

The alternative common name and Latin binomial commemorates the French naturalist Jules Verreaux.[6]

References

  1. ^ BirdLife International (2017). "Batis minima". IUCN Red List of Threatened Species. 2017: e.T22707901A118479847. doi:10.2305/IUCN.UK.2017-3.RLTS.T22707901A118479847.en. Retrieved 16 November 2021.
  2. ^ "Batis minima (J. Verreaux & E. Verreaux, 1855)". Integrated Taxonomic Information System (ITIS) (https://www.itis.gov). Retrieved 2016-11-04.
  3. ^ a b "Verreaux's Batis (Batis minima)". Handbook of the Birds of the World. Lynx Edicions. Retrieved 2016-11-04.
  4. ^ a b c d e f Harris, Tony; Franklin, Kim (2000). Shrikes and Bush-shrikes. Christopher Helm. pp. 319–320. ISBN 0-7136-3861-3.
  5. ^ a b "Gabon Batis (Batis minima) - BirdLife species factsheet". Birdlife International. Retrieved 2016-11-04.
  6. ^ Beolens, Bo; Watkins, Michael (2003). Whose Bird? Men and Women Commemorated in the Common Names of Birds. London: Christopher Helm. pp. 350–351.
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Gabon batis
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