ADVERTISEMENT
Riddle:

NASA was considering sending canaries into space to study them under zero gravity. The project was scrapped when someone realized that in spite of having sufficient water supplies, they could die of dehydration within a few hours. Why?

Answer:

Birds, unlike humans, need gravity to swallow. Humans can swallow even while hanging upside down.

VOTE
Rated 3/5 based on 334 votes
SHARE
COMMENT
Bird Facts Riddle Meme.
Bird Facts Riddle Meme with riddle and answer page link.
ADVERTISEMENT