The earlier posts on pellet casting by non-raptorial birds, together with their stunning images, have been consolidated and published as a scientific paper:
Wang, L. K., M. Chan, Y. M. Chan, G. C. Tan & Y. C. Wee, 2009. Pellet casting by non-raptorial birds of Singapore. Nature in Singapore 2: 97-106.
A PDF copy is available HERE.
Bird Ecology Study Group » Grey Heron swallows large Walking Catfish
[…] The bird has a powerful digestive system that would dissolves most of the fish except some of the more indigestible bones, etc. that would be compacted in the crop and eventually cast out as a pellet. […]
Bird Ecology Study Group » Little Egret swallowing a prawn
[…] photographers have recently documented pellet casting in owls, bee-eaters, shrike and kingfishers. However, so far, no one had […]
Bird Ecology Study Group » Oriental Dwarf Kingfisher casting pellet
[…] paper published on pellet casting by non-raptorial birds can be viewed HERE. Included among the birds photographed casting pellets are two kingfishers – Common Kingfisher […]
Bird Ecology Study Group » Green Bee-eater casting pellet
[…] For information on pellet casting by other species of birds, download the paper summarising our knowledge on local birds HERE. […]
Bird Ecology Study Group Stork-billed Kingfisher casting pellet as it was about to swallow a fish
[…] cast pellets. But what is not well known is that many non-raptorial birds similarly cast pellets LINK. Besides kingfisher, another common bird casting pellets is bee-eater […]
Bird Ecology Study Group Juvenile Spotted Wood-owl casting pellet
[…] more information on details of pellets and birds casting pellets, see HERE. Related posts:Blue-eared Kingfisher casting pellet Raptors and owls regularly cast pellets. Other […]
Bird Ecology Study Group The Bird Ecology Study Group is ten years old today
[…] by images of actual casting that led others to photograph this phenomenon in many other species LINK 1, LINK 2, as well as a video clip of the phenomenon LINK. Images below show pellet casting by a […]
Bird Ecology Study Group Pellets from Tuas: 1. The pellets
[…] casting of pellet by certain groups of birds is not too well known– see HERE for more information. After swallowing their prey, these birds regurgitate the indigestible parts […]