I'm in Australia and my biggest problem is snakes and of course foxs .
I have guinea fowl who march round and round the out side of the pens like Sargent majors .
Hysterical to watch .They also round up the birds and push them back in the pens when I try to let them out to freerange they even...
Its spring in Australlia so Im hatching chicks again and this year my first ducklings .
This is a great and useful thread ,Many thanks .
This is a good link for angel wing in ducks.
http://www.carolinecrockeroriginals.co.uk/sheldon_pages/The_ducklings/angel_wing_condition.htm