Soon after temperate ponds thaw and fill with melting snow, wood frogs (Rana sylatica) lay their spherical egg masses and attach them to vegetation just below the water surface. Compared to some...

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The image is simply of a rare species of wood lily (Lilium philadelphicum) on Isle Royale, a unique island ecosystem in Lake Superior. Although once widespread across North America, the lily has...

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This figure shows survivorship curves for spring cohorts of the summer annual plant common dogmustard (Erucastrum gallicum; Brassicaceae) growing in the Jamesville Quarry, Syracuse, NY. It shows how...

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Yellow-rumped Warbler (Setophaga coronata coronata) is feeding on Bayberry (Myrica pensylvanica) berries in New York City.

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A photo of a zebra (Equus burchelli) foraging in the Kruger National Park, South Africa. Zebras impact the composition of vegetation within the shrubby grassland in which they live. In turn,...

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