págs. 2-4
Highland fling: Butterfly wrangling on Colorado's Horseshoe Mountain.
págs. 12-15
The sitting man: Archaeological exploration beyond the light zone.
págs. 18-23
Last of the forest guardians: Little more than 3.000 tigers are left in the wild. Will and international effort give them a future?.
Cheryl Lyn Dybas, John Goodrich (fot.)
págs. 24-31
Catesby's Gallery: A trailblazing naturalist in the New World.
págs. 32-37
Summit meeting: Arctic-alpine plants gather on a bare-topped mountain.
págs. 38-39
pág. 48
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