! Puzzletime.

Some questions I thought of. Numbers denote number of letters in answer, as per crosswords.

1. Blend of extra bow ammunition. (avian; 7)
2. id est (English-related; 1,6,1)
3. abcdefghijklmopqrstvwxyz (6)
4. Self-referential phrase (8,7,4)

Hints:
1. http://en.wikipedia.org/wiki/Blend
2. English-related, i.e. a rule.
3. Not in alphabetical order.
4. 8+7+4=19
5. !-.o