Butterflies may be better indicators of the health of our environment than birds.


Roger Tory Peterson's Dozen Birding Hot Spots (ed. 1976)

Roger Tory Peterson Quotes

Butterflies may be better indicators of the health of our environment than birds.

Butterflies may be better indicators of the health of our environment than birds.

Butterflies may be better indicators of the health of our environment than birds.

Butterflies may be better indicators of the health of our environment than birds.