Savanna hawk

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Savanna hawk
Savanna hawk (Buteogallus meridionalis).JPG
In the Pantanal, Brazil
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Accipitriformes
Family: Accipitridae
Genus: Buteogallus
Species:
B. meridionalis
Binomial name
Buteogallus meridionalis
(Latham, 1790)
Buteogallus meridionalis map.svg
Synonyms

Heterospizias meridionalis

The savanna hawk (Buteogallus meridionalis) is a large raptor found in open savanna and swamp edges. It was formerly placed in the genus Heterospizias. It breeds from Panama and Trinidad south to Bolivia, Uruguay and central Argentina. [2] There are also reports of it in California, from 1973 in Alameda County and from 1974 in San Diego County. [3]

Contents

Description

Flying in Goias, Brazil Buteogallus meridionalis -Goias, Brazil -flying-8.jpg
Flying in Goias, Brazil

The savanna hawk is 46–61 cm (18–24 in) in length and weighs 845 g (29.8 oz). [4] The adult has a rufous body with grey mottling above and fine black barring below. The flight feathers of the long broad wings are black, and the tail is banded black and white. [2] [4] The legs are yellow. The call is a loud scream keeeeru. [4]

Immature birds are similar to the adults but have darker, duller upperparts, paler underparts with coarser barring, and a whitish supercilium. This species perches very vertically, and its legs are strikingly long. [4]

Food and feeding

The savanna hawk feeds on small mammals, small birds, lizards, snakes, toads, frogs, eels, other fish, crabs, roots, spiders, and large insects (such as grasshoppers). [5] [6] [7] It usually sits on an open high perch from which it swoops on its prey, but will also hunt on foot, and several birds may gather at grass fires. [2]

Reproduction

The nest is of sticks lined with grass and built in a palm tree. [2] The clutch is a single white egg, and the young take 6.5 to 7.5 weeks to fledging. [4]

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References

  1. BirdLife International (2020). "Buteogallus meridionalis". IUCN Red List of Threatened Species . 2020: e.T22695832A168793019. doi: 10.2305/IUCN.UK.2020-3.RLTS.T22695832A168793019.en . Retrieved 19 November 2021.
  2. 1 2 3 4 Sabrina Ramirez (2014). "Buteogallus meridionalis (Savanna Hawk)" (PDF). University of the West Indies. Archived (PDF) from the original on June 28, 2017. Retrieved June 27, 2017.
  3. "EBird Checklist - 21 Sep 1974 - Tijuana River Valley--west of Hollister - 71 species (+4 other taxa)". 21 September 1974.
  4. 1 2 3 4 5 Hilty, Steven L (2003). Birds of Venezuela. London: Christopher Helm. p. 236. ISBN   0-7136-6418-5 . Retrieved June 27, 2017.
  5. "Buteogallus meridionalis (Savanna Hawk)" (PDF). Sta.uwi.edu. Retrieved 26 March 2022.
  6. "Savanna Hawk | the Peregrine Fund".
  7. Ferguson-Lees, J. & Christie, D.A. & Franklin, K. & Mead, D. & Burton, P.. (2001). Raptors of the world. Helm Identification Guides.

Additional sources