No, That Dolphin is Not Smiling At You - Wild Dolphin Project
5 Spiritual Meanings of Dolphins - Goodnet
What's the difference between dolphins and porpoises?
Dolphin FAQ World Animal Protection
Baby Dolphin Facts - SeaWorld Orlando Dolphins
Dolphins KS1 Differentiated Comprehension
If Dolphins Are Swimming Nearby, Does That Mean Sharks Aren't?
Learn about the bottlenose dolphin
Maternity - Dolphin Research Center
Wild dolphins learn to tail-walk on the water, yet it's just a fad - Biology Online Archive Article
How Do Dolphins Sleep? The Facts You Didn't Know