Each question gives a brief definition of a verb. The answer is also the name of a creature, so if the definition is 'To avoid being hit by crouching down', the answer is 'duck'. (Note: Only one word needed, i.e. 'duck' instead of 'to duck'.

-1.To attack vehemently. sea creature

-2.To brag. bird

-3.To track or trail persistently.

-4.To frighten with threats.

-5.To pinch on the buttocks. bird

6.To punch in the face.

-7.To bother constantly.

-8.To stretch, in order to get a better view. bird

-9.To close up tightly.

-10.To betray someone by giving information.

Good Morning, Curly

7. badger

3. Dog

Bernie

2. crow

Morning all. Good ones.

5. goose

Salut curly,

1. whale

8. crane

Morning Ladies. Good ones.

9 - seal

10.Rat

Good ones.

4. cow

Thanks Doreen.

6. sidewinder