North Australian FISH FINDER TM forums

I was about to discard these until I looked closer. OMG. I had never noticed this before.

In the 1st photo, check how he has raised his nape feathers. This would direct the flow of air straight to his tail – I think they use their tail not only as a brake, but to right them on landing. Now look at the wings. Not only are they the major brake (sort of reverse thrust), it appears they’re funnelling air to under its body.

Now look at the 2nd photo and check the feathers around his bum. Notice how they’re standing up in rows. Another set of brakes. And there is probably more going on that I can’t see.