Some are, but most are not.
Born without legs
there over 400 or more it depends on the people that are selling them :]ALL Chihuahuas should be appleheads...there is no such thing as a deerhead!!! Yes there are...appled headed chihuahua's have short snouts, bodies and legs. Deer headed chihuahua's have longer snouts, bodies and legs!
Any position except legs extended, front legs first with the nose between them.
Yes it makes the hyena more agile.
Back legs first, then front.
Yes, squirrels have forearms (front legs).
Nothing forced him silly he was born without arms and legs if you look him up there is a picture of him at only six months old without any arms or legs and just that small'foot' he has on his left ...'leg'
Homozygous
The back legs are webbed, but the forelimbs are not. The forelimbs are basically the "front legs."
The back legs help the grasshopper jump and the front legs help them stand even
yes they do grow back just like spiders and some lizards
The front legs i had a tadpole/frog so i would know