DolphinsMy Animal Research

By Madeline A. E. Lopez

Where do dolphins live?

Dolphins live in all oceans and some rivers on Earth.

Bottlenose Dolphin

What do Dolphins Eat?The food each

species eats is different based on where they live.

Dolphins eat fish and some even eat squid.

Large dolphins, like the killer whale (Orca) eat marine animals like seals, sea lions, and sea turtles.

Who Makes up the Dolphin Family?The male dolphin is

called a bullThe female dolphin

is called a cowThe baby dolphin is

called a calfWhen in groups they

are called a Pod.

Dolphins are Mammals Just Like…

DolphinsThree Interesting Facts About Dolphins…

1a. Dolphins are Born with Hair

A few hairs on the side of the rostrum (beak). These fall out within the first week. We think they have hair because…

1b. They Were Once Land AnimalsHow do we know?

By looking at fossils

They lived on land about 50 million years ago.Scientists believe that they fished in shallow waters and after they moved into the water they stopped needing legs and started needing fins. Evolution took care of that.

2. Dolphins Get Water from Their FoodThe fish and squid that dolphins enjoy eating

most have large amounts of water in them and dolphins get it from eating them. Dolphins do not need any extra water because they do not sweat like we do.

3. Different SpeciesWe all recognize the Bottlenose dolphin.There are actually 32 species of oceanic

dolphins! There are also 5 species of dolphins living in rivers.

Atlantic Spotted Dolphin & White Sided Dolphin are both found in the North Atlantic Ocean. Hector’s Dolphin –

Found in New Zealand

More Dolphins…Most river dolphins are blind, except for the pink dolphin. River dolphins have something that looks like fingers on the tips of their flippers.

Pink River Dolphin –Found in the Amazon riversin South America Chinese (Yangzte) River Dolphin

The Largest Oceanic Dolphins

Thank you for watching.