1...
2A perfect launch.
3And a controlled drop.
4This is as good a descent as it's possible to make.
5...
6Its parents are there to meet it.
7...
8A little dazed perhaps, but all in one piece.
9One gosling, at least, hasn't made it.
10And this chick appears to be in a bad way.
11...
12At last, it responds to its mother's calls.
13...
14The resilience of a barnacle goose chick is extraordinary.
15But there are still chicks unaccounted for, somewhere amongst the rubble.
16The parents can't risk searching
17because they need to lead their two survivors away quickly, before predators arrive.
18A third one has made it.
19But it needs to catch up.
20Reunited.
21Three out of five chicks have made it.
22Without such a dramatic start in life, it's unlikely any of them would have even got this far.