The Asian Openbill or Asian Openbill Stork, (Anastomus oscitans) is a large stork found in South Asia.
The entire plumage is white except the end of the wings and tail which are broadly tipped with black. In most birds the white is sullied by a smoky grey which is also thought to represent the breeding plumage.
The most distinguishing feature of this bird is its bill. Both the upper and lower mandibles are slightly curved, leaving a slight gap in the centre, giving it an “open bill”.
These are among the most common of Indian Storks, occurring in the vicinity of rivers, lakes marshes and irrigated lands.
It is a social bird and is often found in considerable flocks. It is also a strong flier and can be seen soaring for long periods in the air.
It mainly feeds on freshwater molluscs, fish and crabs. Frogs and insects may also be part of its diet.
The breeding season is between July and August. They are colonial and each colony may consist of about 400-500 pairs and sometimes includes other birds such as Ibises and Herons.
A clutch consists of 4-5 eggs.
|Location:||Ranganathittu bird sanctuary|
|Date:||23rd April 2011|
|Time:||Morning; 7:00 AM|
|Weather:||Overcast morning after overnight rains|
|Other Details:||Seen in a large flock along with Herons, Ibises, Pelicans and Painted Storks on an island colony.|