To fight posion wyverns use a gas mask.

Make sure to carry bolas on you..... so you can bola your friends and run

Do not fly in a straight line when escaping as they have a horrible turning radius. Try getting them stuck behind things in the environment.

When you search for eggs try to always take another person and eat cactus broth to help you be noticed less. Dont forget to give your bird cactus broth also. Very important