Blue Vanga Cyanolanius madagascarinus
Version: 1.0 — Published March 4, 2020
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Diet and Foraging
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Diet and Foraging
Most data from Madagascar.
Main Foods Taken
Microhabitat for Foraging
Forages in middle and upper levels of trees (1).
Food Capture and Consumption
Often feeds while hanging from its feet, upside-down, in leaf clusters near ends of thin branches (13); uses toes to open dry dead leaves (13). Gleans items from substrate (67–78% of all foraging observations at two sites) (21); also sally-gleans (15–30 cm) to branches and leaves, from which it hangs and gleans (1). In Madagascar, forages in groups of up to six individuals in non-breeding season (usually in pairs when nesting) (13); commonly (87% and 87.5% of observations, respectively, in two studies) (15, 22) in mixed-species flocks with other vangas and with, e.g., Common Newtonia (Newtonia brunneicauda), Madagascar White-eye (Zosterops maderaspatanus), Madagascar Cuckooshrike (Ceblepyris cinereus), Madagascar Paradise-Flycatcher (Terpsiphone mutata), and Long-billed Sunbird (Cinnyris notatus), and other small passerines, but in another study observed in just 33% of mixed-species flocks (14). On Grand Comoro (race C. m. bensoni), observed in company with Madagascar Cuckooshrike and Madagascar Paradise-Flycatcher.
Stomach contents of birds on Mohéli (C. m. comorensis) mostly insects, especially caterpillars (up to 5 cm long), but also included spiders (Araneae), and some fruits (18).