Eastern screech owl used to study to assessment anticoagulant rodenticide hazards to non-target wildlife
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Eastern Screech Owl
Eastern screech owl used to study to assessment anticoagulant rodenticide hazards to non-target wildlife
Eastern Shore of Maryland Coastal Wetland
An example of a disappearing marsh in the Eastern Shore of Maryland part of the Mid-Atlantic USA.
An example of a disappearing marsh in the Eastern Shore of Maryland part of the Mid-Atlantic USA.
Blue Ridge Sculpin
Blue Ridge Sculpin from Wikimedia Commons
Blue Ridge Sculpin from Wikimedia Commons
Horseshoe crab conservation research
USGS field crews tagging an adult male horseshoe crab (Limulus polyphemus) in Delaware Bay to study survival and movement.
USGS field crews tagging an adult male horseshoe crab (Limulus polyphemus) in Delaware Bay to study survival and movement.
Dr. Glenn Guntenspergen measuring marsh surface elevation
Measuring marsh surface elevation to determine if marshes are keeping up with sea level rise
Measuring marsh surface elevation to determine if marshes are keeping up with sea level rise
Box turtle with trail laying device
Box turtle with trail laying device designed by Dr. Lucille Stickel in the 1940s. To track turtle movements, Dr. Stickel improved on an earlier trailer design described in 1927 and noted, “Details of travels can be followed for weeks or months by attaching thread- laying devices to their carapaces.
Box turtle with trail laying device designed by Dr. Lucille Stickel in the 1940s. To track turtle movements, Dr. Stickel improved on an earlier trailer design described in 1927 and noted, “Details of travels can be followed for weeks or months by attaching thread- laying devices to their carapaces.
Measuring red eft
A researcher measures the snout-vent length of a red eft (Notophthalmus viridescens). The snout-vent length is a measure of the length of a salamander from its snout to its cloaca (located just behind the hind legs).
A researcher measures the snout-vent length of a red eft (Notophthalmus viridescens). The snout-vent length is a measure of the length of a salamander from its snout to its cloaca (located just behind the hind legs).