* Falcons
* Hawks
* Eagles
* Owls
2. Marine Mammals
* Seals
* Sea lions
* Killer whales
* Dolphins
3. Terrestrial Predators
* Foxes
* Coyotes
* Bobcats
* Bears
4. Parasites
* Avian flu
* West Nile virus
* Ticks
* Fleas
5. Habitat Loss
* Coastal development
* Pollution
* Climate change