Strange Tailed Tyrant horizontal line

Strange Tails

We're delighted to have a strong population of strange-tailed tyrants at the reserve. So much so that we've adopted these beautiful and endangered birds as the symbol of the Trust

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Help Wanted

We need your help to provide a safe, sustainable environment for these irreplaceable and seriously threatened animals. Your donations - however small - are very welcome indeed, and if you can volunteer useful skills then we'd love to hear from you!

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Black-bellied Whistling Duck

Black-bellied Whistling Duck

Dendrocygma autumnalis

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These very shy ducks will take off as soon as they are aware of humans approaching.  They are uncommon in the Ibera Marshes but we have evidence of them nesting in the south of Reserva Don Luis last year.

Usually found in groups of two to six they are seen in flight or feeding amongst aquatic plants or sometimes in trees.  Their call resembles that of the common Dendrocygna viduata but it quite distinctive with a four or five note whistle.

The most striking feature is the bright pinky red bill.  The rest of the face and upper chest is grey and it has a pale eyering.  The belly is black and there is a clear line between the 2 colours.  It has chestnut upperparts and a white wingband that is seen in flight.

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