Madagascan pochard lake. After hatching, the day-old chicks were taken to a holding facility in a local hotel. Reared in captivity, they hatched eighteen ducklings in April 2012 at the captive breeding centre in Antsohihy, bringing the total population to 60. In April 2013, the population reached 80. In Autumn 2017 the population reached 90, the Wildfowl and Wetlands Trust and the Durrell Wildlife Conservation Trust are now ready to begin the reintroduction process at a suitable lake in Madagascar, Lake Sofia. Madagascan pochard The Madagascan pochard or Madagascar pochard ("Aythya innotata"; ) is an extremely rare diving duck of the genus
Bird vocalization and prevent an energetically costly fight . In birds with song repertoires, individuals may share the same song type and use these song types for more complex communication. Some birds will respond to a shared song type with a song-type match (i.e. with the same song type). This may be an aggressive signal, however results are mixed. Birds may also interact using repertoire-matches, wherein a bird responds with a song type that is in its rival's repertoire but is not the song that it is currently singing. This may be a less aggressive act than song-type matching. Communication through bird