Orca Whales
Lacie Hortonにより
1. Behavior
1.1. Hunting
1.1.1. http://tinyurl.com/orcabehavior
1.2. Mating
1.3. Family
2. Diet
2.1. Seals
2.2. Penguins
2.3. Fish
2.4. http://tinyurl.com/orcainfo
3. Environment
3.1. Norwegian Coast
3.1.1. New node
3.2. Gulf of Alaska
3.2.1. http://tinyurl.com/alaskanwhales
3.3. Antartica
4. Captivity
4.1. Sea World
4.1.1. http://tinyurl.com/seaworldparks