usaully level 17 but some people it doesnt work untill 23
It will come out after Zynga finishes it. There is no specific level that you can Cross-Breed on, but it really is a bummer that it hasn't came out yet.
yes
you don't have to cross breed anything. As you level up more animals will become available in the store including the tiger. (crossbreed lion + tiger to get a liger)
Walrus and a owl
A macaw
An Ocelot is a cross breed between a Cheetah and a Puma in Tap Zoo
Stegosaurus is the cross breed between an Anteater and Komodo dragon. It is available after level 17 and will cost you 92 stars
Minotaur is a cross breed between a Gorilla and an African Buffalo. It is available after level 8 and will cost you 35,000 coins
Stegosaurus is the cross breed between an Anteater and Komodo dragon. It is available after level 17 and will cost you 92 stars
A Rhea and a Jaguar.
a howler monkey
A zeian