The family Delphinidae is the largest in the Cetacea, and relatively recent: dolphins evolved about ten million years ago, during the Miocene. Dolphins are considered to be amongst the most intelligent of animals and their often-friendly appearance and seemingly playful attitude have made them popular in human culture.
Tips for printing coloring book page or coloring sheet:
Step 1: Click on "Print" link of your choice, if you want a
Dolphin facts image for coloring yourself then you need to click on "Print
Dolphin facts Coloring page (B/W)" link. If you want colored (already filled with colors)
Dolphin facts graphic to print then click "Print
Dolphin facts Coloring page (Color)".
Step 2: Now a new pop-up window will open along the
Dolphin facts image of your choice (if new window does not open-up then you may need to check your pop-up blocker settings.). Now click on "PRINT". This will open printer dialog, select your print and print.