Scientists at the Pacific Marine Mammal Center started seeing an increase in starving sea lion pups last spring. Guy Raz/NPR. hide caption

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Sea Lion Pups Starving Along California Shoreline
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Caterpillar Of Land And Stream Discovered
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States Battle Over Solutions To Invading Fish
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Trade In Endangered Species Debated
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Buffalo roaming on the QB Ranch in West Texas. Courtesy Of Wayne Kirk hide caption

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Texas Buffalo Shooting Triggers Culture Clash
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DNA analysis showed that most dogs share genetic markers with Middle Eastern gray wolves, like this one photographed in Israel. Courtesy of Nadav Perez hide caption

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Dogs Likely Descended From Middle Eastern Wolf
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African elephants are expected to be at the center of a contentious debate about ivory sales at next week's CITES meeting. Delegates will try to resolve disputes about other animals, including bluefin tuna and hammerhead sharks. Dan Kitwood/Getty Images hide caption

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Battle Over Ivory, Tuna Expected At Wildlife Meeting
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A genetic abnormality causes this chicken to exhibit both male and female characteristics. The right (white) side is typical of males and the left (brown) side is typical of females. The Roslin Institute at the University of Edinburgh hide caption

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Half-Rooster/Half-Hen Helps Unlock Sex Mystery
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Lonely Wolverine Seeks West Coast Mate
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Chameleons, such as this Chamaeleo calyptratus, feed by way of ballistic tongue projection, which launches their tongues at prey with a rapid burst of speed. Cold temperatures do not slow their tongues down, allowing chameleons to catch meals even when the temperature drops. Courtesy of Christopher V. Anderson hide caption

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Oddball Amoebas Sprout Arms When Stressed
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The byssal threads help these mussels hang on to rocky outcroppings and might suggest a new way of making flexible but strong materials for industrial uses. jeffk/via flickr hide caption

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Mighty Mussels Have Industrial Strength
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As temperatures drop during the winter months, female mosquitoes like Culex pipiens gain weight to conserve energy. iStockphoto.com hide caption

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Like Bears, Mosquitoes Fatten Up For Winter
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A life-sized reconstruction of the moment just before the dinosaur hatching and snake were preserved. The scales and patterning of the snake's skin is based on its modern relatives. The coloration of the hatchling is the artist's interpretation. Sculpture by Tyler Keillor/Photo by Ximena Erickson/Image modified by Bonnie Miljour hide caption

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In Fossil Find, 'Anaconda' Meets 'Jurassic Park'
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