1. your dog can scare an American black bear , these bears will run up a tree to save itself against your dog

2.a goldfish had only 3 second memory , there is why there is a saying “goldfish memory” to someone forgetful

3. an ostrich eyes is bigger than it’s brain

4 .the native Indians of south America use piranha teeth as razor blades to cut their moustaches

5.all of pet dogs descend from wolves

6. dolphins sleep with one eye open

7. a group of kangaroos is called a mob , a group of owl is called a parliament , a group of raven is called murder

8. a poison dart frog have enough poison to kill 2000 people

9. a penguin can leap up to 2 meters (6.5 feet) above the water 

10. the only animal that can do suicide is iguana , the cause is still unknown though