Nuthatch-Vanga Hypositta corallirostris
Version: 2.0 — Published July 16, 2020
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Preening, Head-Scratching, Stretching, Sunbathing, Bathing, Anting, etc.
An adult briefly sunbathed, pausing on a sunlight patch of vertical trunk covered with white lichens, fluffing out its feathers, and then preening vigorously (29).
There is little detailed information, but often is aggressive to conspecifics, and "chases are seen frequently" (3).
There is no information on territory or home range size for Nuthatch-Vanga.
Very little information; presumably is socially monogamous.
Social and Interspecific Behavior
Degree of Sociality
Most often in groups of two or three individuals, almost always within mixed flocks (20, 2, 3). In Anjanaharibe-Sud, for example, all observations within 20 m of a trail (n = 8) were of birds associated with mixed-species flocks; 7.7 % of flocks at 750-900 m contained Nuthatch-Vanga, as did 15.4% of flocks at 1150-1300 m, with a mean group size of two individuals per flock (22). Similarly occurred in 11% of flocks in August in Perinet (n = 47), and 19% of flocks there in October (n = 42) (30), and in 20% of flocks (n = 6) in Andringitra (27).
Nonpredatory Interspecific Interactions
Flock associates are a wide range of passerines, including Madagascar Cuckooshrike (Coracina cinerea), Common Newtonia (Newtonia brunneicauda), Tylas Vanga (Tylas eduardi), Red-tailed Vanga (Calicalicus madagascariensis), Chabert Vanga (Leptopterus chabert), Blue Vanga (Cyanolanius madagascarinus), Helmet Vanga (Euryceros prevostii), Bernier's Vanga (Oriolia bernieri), White-headed Vanga (Artamella viridis), Madagascar Paradise-Flycatcher (Terpsiphone mutata), and Madagascar Bulbul (Hypsipetes madagascariensis) (2).