In English there are lots of peculiar animal idioms. For example:
- in the doghouse - (means in trouble)
- eg. "You broke mother's favourite vase? You're really in the doghouse now."
- as mad as a March hare (means completely insane)
- eg."That man was as mad as a March hare"
This site http://doghause.com/idioms.asp has a nice collection.
