Mariposa Road: The First Butterfly Big Year 2013 - Zero setting at any

- Zero setting at any position within entire range

accurate digital display

and others who are eager to learn more about conservation biology

- Type: Heterodyne and time expansion (x10 or x20 - selectable via switch)

Mariposa Road: The First Butterfly Big Year 2013 - Zero setting at anyWith a love for adventure as great as his lifelong fascination with butterflies, Americas best known lepidopterist set himself an irresistible challenge: how many of the 800 species of butterflies known in the United States could he track down in a single year?. Packing little more than a butterfly net and favorite binoculars in his well travelled 1982 Honda, Robert M. Pyle embarked on the first Butterfly Big Year a 365 day, 88,000 mile sprint to