Green-capped coua Coua ruficeps olivaceiceps predating a Madagascar girdled lizard Trachyloptychus madagascariensis, Arboretum Antsokay, southwest Madagascar, 6 April 2014. Photo: Louise Jasper. Madagascar Conservation & Development

Miscellaneous behavioural observations of Malagasy birds

Charlie J. Gardner, Louise D. Jasper

Abstract


Madagascar possesses a unique avifauna characterized by high endemism rates at species and higher taxonomic levels, but little is known about the behaviour, diets and interspecific interactions of many species. We present a number of opportunistic observations of Malagasy birds collected during 2012–2015, including a foraging association between Hook-billed vanga Vanga curvirostris and White-breasted mesite Mesitornis variegatus, aggressive interaction between a fledgling Madagascar cuckoo Cuculus rochii and its Common jery Neomixis tenella host, records of carnivory in Green-capped coua Coua ruficeps olivaceiceps and frugivory in Lafresnaye’s vanga Xenopirostris xenopirostris, an unusual aggregation of Alpine swift Tachymarptis melba around a telecommunications tower, entrapment of Madagascar mannikin Lepidopygia nana in a spider’s web, and anti-predator behaviour (mobbing) of potentially predatory reptiles in Souimanga sunbird Nectarinia souimanga, Madagascar magpie robin Copsychus albospecularis, Madagascar paradise flycatcher Terpsiphone mutata, Common newtonia Newtonia brunneicauda and Crested drongo Dicrurus forficatus.

 

Résumé

L’avifaune de Madagascar est unique, caractérisée par des taux d’endémisme élevés aux niveaux des espèces, genres, familles et ordres. Cependant, nous connaissons encore mal les comportements, les régimes alimentaires ou encore les interactions interspécifiques de nombreuses espèces. Sont présentées dans cette note, une série d’observations opportunistes collectées au cours de la période 2012–2015, incluant : i) une interaction lors de la recherche de nourriture entre un Vanga écorcheur Vanga curvirostris et une paire de Mésite variée Mesitornis variegatus, ii) une interaction agressive entre un oisillon du Coucou de Madagascar Cuculus rochii et son hôte, une Petite éroesse Neomixis tenella, iii) la prédation d’un lézard (Tracheloptychus madagascariensis) par un Coua à tête verte Coua ruficeps olivaceiceps, iv) la frugivorie par un Vanga de Lafresnaye Xenopirostris xenopirostris, v) une agrégation inhabituelle des Martinets à ventre blanc Tachymarptis melba autour d’une installation de télécommunication, vi) le piégeage d’un Capucin de Madagascar Lepidopygia nana dans une toile d’araignée (Nephila sp.), et vii) le harcèlement des reptiles incluant des serpents (Ithycyphus miniatus, Acrantophis madagascariensis) et un caméléon (Furcifer pardalis) par le Souimanga malgache Nectarinia souimanga, le Shama de Madagascar Copsychus albospecularis, le Tchitrec malgache Terpsiphone mutata, la Newtonie commune Newtonia brunneicauda et le Drongo malgache Dicrurus forficatus.


Keywords


bird-snake interaction; cuckoo-host interaction; Madagascar; mobbing;

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References


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Madag. conserv. dev.
ISSN: 1662-2510