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.
SHARE
Share:
Bird Facts Riddle Meme.
Bird Facts Riddle Meme with riddle and answer page link.
ADVERTISEMENT
Here is a set of eight riddles which can be deduced into popular ancient proverbs. Print or Download PDF!
Word play riddles. The best riddles about words. Nobody has a better collection of word play riddles. A tremendous riddle quiz. Historic! Enjoy! Download or Print!
Easiest Riddles for All Ages. The Top 10 Most popular easy riddles. Download as a PDF or Print.
MORE QUIZZES