BIRDS FROM ALL AROUND THE WORLD
A bee-eater trying to eat a dragonfly:
It often takes hours to get the shot you want, but usually the waiting pays off
Kingfisher
Kingfisher from Austria (österreichischer Eisvogel) article: here
Predators
Ospreys, kestrel, eagles and much more…
Bee-Eater
Bee-eater from Austria (österreichischer Bienenfresser)
African Birds
All kinds of birds
If you wanna shoot birds I highly recommend a minimum focal length of 300mm on a DX body or 400mm on an FX. Yet, to shoot even the tiniest bird you better go with a 600mm lens.