Animal Attraction << Back to Feature Page Browse through images from our online-exclusive photo gallery. Click to ZOOM IN >> Click to ZOOM IN >> Click to ZOOM IN >> Click to ZOOM IN >> Click to ZOOM IN >> Froggy-back Ride Photograph by John Cancalosi "Nuptial pads" on his forearms give this male tree frog a grip on his much larger mate. These Hyla geographica—a Peruvian tropical forest species—assume the position known as amplexus, typical among frogs. They do not copulate in the strictest sense; instead, males deposit their sperm on top of the females' eggs after they've been laid.

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