A caterpillar of birds?

A caterpillar of birds? 
The Rainbow Bee Eater (of the genus Meropidae) is very social
A striking, colourful bird, the Rainbow Bee-eater is medium sized, with a long slim curved bill and a long tail with distinctive tail-streamers.
Rainbow Bee-eaters eat insects, mainly catching bees and wasps, as well as dragonflies, beetles, butterflies and moths. They catch flying insects on the wing and carry them back to a perch to beat them against it before swallowing them. Bees and wasps are rubbed against the perch to remove the stings and venom glands.

Reference:
http://en.wikipedia.org/wiki/Rainbow_Bee-eater
Image via reddit