Hi Margaret,
I wrote a short note on mimicry by the Olive-backed Oriole and Spangled
Drongo for Australian Birds in 1982 - 'Some records of the Olive-backed
Oriole and Spangled Drongo mimicking other bird's calls' (1982) Aust. Birds
16: 62-63.
In this note I describe hearing an Olive-backed Oriole at Iluka, north coast
NSW, mimicking the calls of at least 13 other bird species. They were the
Yellow-tailed Black-Cockatoo, Grey Butcherbird, Noisy Miner, Eastern Rosella
(two duetting), Scaly-breasted Lorikeet, Lewin's Honeyeater, Grey
Shrike-thrush, White-cheeked Honeyeater, Australasian Figbird, Little
Wattlebird, Rufous Whistler, Eastern Whipbird, and Black-faced
Cuckoo-shrike. There were a couple of other calls that I couldn't identify,
one of which was probably the White-eared Monarch's. Orioles at South
Grafton were record mimicking some of these calls as well as the Australian
King-Parrot, Whistling Kite, Blue-faced Honeyeater, White-throated
Honeyeater and Pied Butcherbird.
So you can see that Orioles can and do mimic a variety of birds' calls both
large and small and predatory and non-predatory.
Regards
Greg Clancy
Ecologist
Coutts Crossing
NSW
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