It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

how come the second man dies?

Take one out and scratch my head, I am now black but once was red. What am I?

What have one eye but still cannot see?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

What does it mean?