Red Bishops

Some images of feeding Red Bishops
Nikon d3100+ Tamron 70-300mm and Sigma 105mm

Fuji X100S built-in filters

Messing around with the built in filters on the X100S...

Colour select blue

Yellow Weaver bird ...

All I want to know is : How does it know how to weave? Instinct? Evolved behavior? Learned behavior?
Or is it simply inspired by God.

Nikon D3100 Sigma 18-200 os hsm ii