There is a song about a love affair between a moose and a cow--from a true event. probably in maine or vermont. It is by Fred Small.

also Laurie Lewis has one about bears...
where the bears rescue a person in a blizzard and
where the trapper throws all their traps away

that bill staines song is called critter choir

garnet rogers has a wonderful song called small victories
about a race horse that he rescued

stephanie davis sings a song called about a bird with a broken
rescued by a small girl it is called the gift.

greg brown has a song called 4 wet pigs