Did you know about Can't

• Did you know unless food is mixed with saliva you can't taste it
• Did you know frogs can't swallow with their eyes open
• Did you know a duck can't walk without bobbing its head
• Did you know a crocodile can't move its tongue
• Did you know cats can't move their jaw sideways
• Did you know a crocodile can't stick out its tongue
• Did you know hummingbirds can't walk
• Did you know owls can't move their eyes from side to side
• Did you know emus can't walk backwards
• Did you know whales can't swim backwards
• Did you know giraffes can't swim
• Did you know the cheetah is the only cat that can't retract it's claws
• Did you know roosters can't crow if they can't fully extend their necks
• Did you know emus can't walk backwards
• Did you know snakes can't blink
• Did you know snakes can't bite in rivers or swamps (they would drown otherwise)
• Did you know gorillas can't swim
• Did you know giraffes can't cough
• Did you know you can't tickle yourself
• Did you know you can't trademark surnames
• Did you know lion's can't roar until the age of 2

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