No Such Puzzle: Here Be Monsters

Halloween is coming! In each #NoSuchPuzzle for the rest of October, we have given you a sentence that contains hidden within it (ignoring spaces and punctuation) the name of a mythological creature of at least 5 letters. Find the name of the creature.

Example: The clothing could have belonged to an ancient king: a tunic ornamented with gold and jewels, and fine boots covered in silver decorations. 
Answer: Unicorn:  “...tUNIC ORNamented...”

Puzzle 1: Before the sun sets, I want you to clean up your room and rake up all the leaves in the yard. Ready to check your work? Click here to see if you solved the puzzle!

Puzzle 2: We were not expecting much from the five-year-old's speech, but she impressed us with her showy vernacular.
It is difficult to weigh ostriches because of their size, strength, and temper. Think you've solved it? Click here to see the answer!

Puzzle 3: Did you see that bucket rolling down the hill? I wonder where it came from. Increasing global temperatures will leave the next generation of children wondering "where has all the tundra gone?" Click here to see the answer!

Be sure to check back each Saturday at 9 a.m. for the next Puzzle!

Interested in other puzzles? Head to NSA.gov/Puzzles for the latest cryptologic challenges from NSA's puzzling community.