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Search tactics of insectivorous birds foraging in an Australian eucalypt forest
Journal article   Open access   Peer reviewed

Search tactics of insectivorous birds foraging in an Australian eucalypt forest

R.T. Holmes and H.F. Recher
Auk, Vol.103(3), pp.515-530
1986
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Abstract

Five major searching modes were identified among 23 common, mostly insectivorous bird species, distinguished largely by rates, distances and angles moved by birds while foraging and by their prey-capture behaviour. Some bird species typically moved slowly, visually examining substrates at relatively long distances, and then took flight to capture prey (eg whistlers, flycatchers, muscicapid robins, cuckoos). Others moved at more rapid rates and either gleaned small prey from nearby substrates (eg thornbills, treecreepers) or flushed insects that were then pursued (eg fantails). Eastern shrike-tit Falcunculus frontatus and white-eared honeyeater Meliphaga leucotis were specialized substrate-restricted searchers, seeking invertebrate and carbohydrate foods among the exfoliating bark of Eucalpytus.

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