Browse 100+ couples copulating pictures stock videos and clips available to use in your projects, or start a new search to explore more stock footage and b-roll video clips. Lovely white swan couple ...

Over 350 varieties of hummingbirds are native to North and South America. They grace nearly every area, from Alaska down to the southernmost tip of South America. There are 15 varieties that can be ...

Over 350 varieties of hummingbirds are native to North and South America. They grace nearly every area, from Alaska down to ...

17.5 x 11.5 cm. (6.9 x 4.5 in.) ...

Houston’s gardens are filled with the three most common species of hummingbirds: ruby-throated, black-сhinned, and rufous hummingbirds. It’s tough to notice these tiny creatures; however, there is a ...

(Sources: Victor Ortega-Jimenez and Robert Dudley, UC Berkeley; Doug Altshuler, University of British Columbia, Vancouver) Letting hummingbirds loose in wind tunnels allows researchers to probe ...

In the medical field, being fast, efficient, and correct can be the difference between life and death. This game-changing tool is helping cancer researchers and doctors save lives.