on farmville, why cant i adopt animals? -facebook?

everytime i try to adopt an animal such as a brown cow or black sheep, it says someone has already given it a home parter. BUT SECONDS after they publish it i try to adopt it. my cousin has a fb and only has me as a friend. he got one of those, so i [...]

What are all the animals you can find, get, and adopt on farmville?

I already have… Elephants Turtles Pink Cows Brown Cows Reg Cows Chickens Bunnys Swan Ducks Ugly Duckling Sheep Black Sheep Horse Goat Pigs thats all i know of…anymore?

What are the different kind of animals you can adopt on Farmville?

I only know of 5. ugly ducklings, brown cows, pink cows, black sheep, and turtles. Are there anymore?

What are the different kinds of animals you can adopt on farmville?

I know you can adopt a black sheep, a brown cow and an ugly duckling, but are there any others?