[atrox]

ok...but I think, if it would be a defencive weapon mainly, than also the females would hav such a claw..
But it makes sence, that a male in need uses all it got to defend itself..

But poor human beeing...what bad luck, that the billduck just was able to use its poison ;-)

[DoctorBeaver]

That may well be true. But, as the males have it, they use it.