Can't Facts Did You Know - Part 2

• Did you knowthe cheetah is the only cat that can't retract it's claws
• Did you knowroosters can't crow if they can't fully extend their necks
• Did you knowemus can't walk backwards
• Did you knowsnakes can't blink
• Did you knowsnakes can't bite in rivers or swamps (they would drown otherwise)
• Did you knowgorillas can't swim
• Did you knowgiraffes can't cough
• Did you knowyou can't tickle yourself
• Did you knowyou can't trademark surnames
• Did you knowlion's can't roar until the age of 2
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