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Mallorca, Spain
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New Zealand Little BitternArdetta maculata (W. L. Buller) is a synonym of Ardeola novaezelandeae (A. C. Purdie) which is identical with the New Zealand Little Bittern (Ixobrychus novaezelandeae)From: Walter Lawry Buller: Notes on the Little Bittern of New Zealand (Ardetta maculata). In: A History of the Birds of New Zealand.Source:
Wikimedia Commons: File:Ardettamaculata.jpg
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Virginia Rails, Clapper Rails, Soras, Moorhens, Bitterns and sometimes Coots like to perform this act, which I call a synchophony. This happens fairly frequently when something disturbs the peace of the marsh and several birds call in response at once. In this sample a Great Blue Heron circles over and calls, and first a Bittern or Rail, then two Soras, another Virginia and finally another Sora join in the "synchophony". I have recorded instances when a barking dog, an airplane, and other rails have set off the phenomenon. I'm not sure what purpose this [chorus] serves, but it occupies a significant amount of my thinking time. It's most probably a general alarm in the marsh - A Great Blue, a dog and an overhead airplane might all be considered risks if you're a rail - and note that the participants are generally Rail-family birds or birds with rail-y behavior, who are used to communicating primarily vocally (they can't see each other in the marsh).
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Golden Gate Park - Lloyd Lake
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San Diego Estuary
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Lakefield National Park
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Pantanal
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Lille Vildmose, Denmark
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Lille Vildmose
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Serengeti National Park, Tanzania, Afrika, Africa
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Lille Vildmose, Danmark
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Lesbos, Mitilini, Lesvos, Grækkenland, Greece
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Cattle Egrets (Bubulcus ibis) are common residents of the country, though I rarely hear them call. This one was recorded in flight in Grano de Oro, in the Talamancas,(Costa Rica) 11/98.
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Okarito
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San Diego Estuary
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Canyonlands National Park
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Parque Nacional Soberania
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Lille Vildmose, Denmark
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Lille Vildmose
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Ngorongoro krateret, Ngorongoro Conservation Area, Tanzania, Afrika, Africa
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Lille Vildmose, Danmark
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Sri Lanka
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This Green Heron (Butorides virescens) and I surprised each other early one September morn. I was recording a nervous Moorhen and walked right under the Heron before either of us noticed. This is the sound he made as he took flight from his Willow perch and flew away.
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Kheoladeo National Park
