No.
http://www.d20pfsrd.com/feats/monste...natural-attackSpecial: This feat can be taken multiple times. Each time it is taken, it applies to a different natural attack.
No.
http://www.d20pfsrd.com/feats/monste...natural-attackSpecial: This feat can be taken multiple times. Each time it is taken, it applies to a different natural attack.