Solution:

A lion, king of the jungle! (the head of a Lamb, the middle of a pIg, the hind of a buffalO and the tail of a dragoN)

Solution:

Velma waits until night time and then goes through the second door.

(No sun at night)

Solution:

Win percentages of both team before the series is less than 50%.

Solution:

A HouseFly.

Solution:

All (all months have twenty eight days atleast)

Solution:

This is because I have three quarters, four dimes and four pennies contributing to $1.19. But in no way I can pay a dollar exactly.

Solution:

I am Stamp.

Solution:

I am a compass.

Because I am a compass and I help people navigate all around the world.

Solution:

Chile

Solution:

Two people.

The question mentions that a couple went to see a wildlife sanctuary. There is no mention that the rest of the people went along.