1. All about DolphinsAll about Dolphins
HMDS 101HMDS 101
By Cynthia WilsonBy Cynthia Wilson
2. What are dolphins &What are dolphins &
What do they eat?What do they eat?
They are cetacean mammals that are related to whalesThey are cetacean mammals that are related to whales
and porpoises.and porpoises.
They are carnivores, which means they eat a lot ofThey are carnivores, which means they eat a lot of
squid and fishsquid and fish
3. Social & Natural BehaviorSocial & Natural Behavior
They travel through the sea in pods, but in superThey travel through the sea in pods, but in super
pods it contains about 1,000 dolphins.pods it contains about 1,000 dolphins.
Dolphins sometimes establish special bonds withDolphins sometimes establish special bonds with
others even if they have an injury or are dying.others even if they have an injury or are dying.
They use special clicks and whistles toThey use special clicks and whistles to
communicate especially with newborn dolphins andcommunicate especially with newborn dolphins and
their mothers.their mothers.
They are often said to be the Earth’s most intelligentThey are often said to be the Earth’s most intelligent
animals, but it is hard to say how smart they are.animals, but it is hard to say how smart they are.
They are very playful aquatic creaturesThey are very playful aquatic creatures
4. Interesting FactsInteresting Facts
They have acute eyesight and have 10 times betterThey have acute eyesight and have 10 times better
hearing than a human. They hear very well in thehearing than a human. They hear very well in the
ocean/sea and on the surface.ocean/sea and on the surface.
To herd fish, the pod squeezes a school of fish into aTo herd fish, the pod squeezes a school of fish into a
small volume or amount of space, also known as baitsmall volume or amount of space, also known as bait
ball. They each take turns plowing through the ball,ball. They each take turns plowing through the ball,
feeding on fish.feeding on fish.