This week has been an interesting one in the weird, wild world of animal news:
- A baby porcupine was rescued from its dead mother's womb after a tragic car accident.
- Euthanasia at zoos received more attention this week after a Danish zoo put down four lions, including two young cubs.
- The BP oil spill has caused heart defects in several species of fish, a new study suggests.
- More domestic violence shelters are taking in pets to meet growing needs.
- 10 tigers were reportedly slaughtered in China as part of a "visual feast" for wealthy businessmen.
- A rescue puppy saved its owner's life after alerting them to a gas leak.
Take a look at some of this week's most stunning animal photos below, and check back next week for more news about the Animal Kingdom.