The sunset wrasse (Thalassoma grammaticum) is one of over 700 shorefishes endemic to the Tropical Eastern Pacific, an isolated tropical marine region with a high level of endemism (>70%) among its...
Peat forms when plant material is inhibited from full decomposition by acidic and anaerobic conditions. The development and expansion of northern peatlands after glacial retreats thousands of years...
Two male Hawaiian monk seals (Monachus schauinslandi) at French Frigate Shoals in the northwestern Hawaiian Islands. Monk seals are the only true seals found year-round in tropical waters. They are...
This image shows a view of unreclaimed mineland in northeastern Pennsylvania.
This photo was taken in 2009 after a mountain road had been widened. The small layer of soil supporting the diverse tropical rainforest is observable. The road was widened from a single car road to...
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...
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...
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...
Yellow-rumped Warbler (Setophaga coronata coronata) is feeding on Bayberry (Myrica pensylvanica) berries in New York City.
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