The Dolphin Reader

dolphins written by Melissa Stewart here's our table of contents showing us everything we are going to learn about dolphins it's a dolphin what swims in the water but isn't a fish what whistles and chirps but isn't a bird what loves to jump but isn't a frog it's a dolphin fish or mammal a dolphin is a mammal just like you dolphins look like fish but they are different in some very important ways dolphins have lungs and breathe air they get oxygen through a hole on the top of their heads their tails move up and down they have soft smooth skin a dolphin's body temperature is always about 97 degrees Fahrenheit fish have scales fish have gills gills help fish get oxygen from the water their tails Bend from side to side a fish's body temperature matches the temperature of the water it's in in this book our keywords are called water words here are first two oxygen an invisible gas in air and