HOARY-HEADED GREBE (Poliocephalus poliocephalus)

BODY LENGTH: 30 cm	DEEPEST DIVE: -- m
WING SPAN: 46 cm	LONGEST DIVE: 26 s (REF 2)

BOAT HARBOUR (38°40'S - 178°01'E)

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1975: dive duration: max= 15 s (N= 6 dives) 1975: (Observation from land with 7x35 binoculars)

REF 1

SWAN LAKE (38°30'S - 145°09'E)

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2006: Dive duration: avg= 18.5 ± 3.6s, max= 26s (N=314 dives) 2006: (Observation from land with binoculars and stopwatch)

REF 2

REFERENCES

REF 1	Best H (1976) First sighting of the Hoary-Headed Grebe (Podiceps poliocephalus) in New Zealand. Notornis 23: 182-183
REF 2	Ropert-Coudert Y, Kato A (2009) Diving Activity of Hoary-Headed (Poliocephalus poliocephalus) and Australasian Little (Tachybaptus novaehollandiae) Grebes. Waterbirds 32: 157-161

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