What animal simulation games can i play without having to download

gamevial has some cool animal rpg games call lif (spelled literally l-i-f) and flylike a bird in life u can be a deer,rabbit, bear, fox, or wolf but start as a rabbit and have to find totems to transform into the others,
in fly like a bird u can be different types of birds including a owl or macaw or a hawk exc. u can make a nest have an egg(one at a time) and poop on people( and birds if in multiplayer) both have multiplayer modes