16 Long-Term Memory for Affiliates in Ravens.
http://www.cell.com/current-biology/abstract/S0960-9822(12)00310-7
15 Facial expressions of emotion are not culturally universal.
http://www.pnas.org/content/109/19/7241
14 How Many Species Are There on Earth and in the Ocean?
http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjournal.pbio.1001127
13 An Emperor Penguin Population Estimate: The First Global, Synoptic Survey of a Species from Space.
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0033751
12 Inoculation of bats with European Geomyces destructans supports the novel pathogen hypothesis for the origin of white-nose syndrome.
http://www.pnas.org/content/109/18/6999
11 Diverse societies are more productive: a lesson from ants.
http://rspb.royalsocietypublishing.org/content/279/1736/2142.abstract
10 Genomic analyses show that polar bears as a species are older and genetically more distinct than previously estimated.
http://www.sciencemag.org/content/336/6079/344.abstract
9 Birds have been thought to have a magnetic sensing system consisting of magnetite-containing dendrites in the upper beak; a comprehensive anatomical characterization in pigeons now shows that the iron-rich cells in the beak are in fact macrophages not magnetosensitive neurons.
http://www.nature.com/nature/journal/v484/n7394/full/nature11046.html
8 Rivaling the World's Smallest Reptiles: Discovery of Miniaturized and Microendemic New Species of Leaf Chameleons (Brookesia) from Northern Madagascar.
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0031314
7 The extinction of megafauna 40,000 years ago after the arrival of humans led to major changes in vegetation and fire regimes.
http://www.sciencemag.org/content/335/6075/1483.abstract
6 In the sierras of Argentina, specialized mutualistic plant-pollinator relationships increase vulnerability to habitat loss.
http://www.sciencemag.org/content/335/6075/1486.abstract
5 How species are embedded in food webs is an intrinsic species attribute and is conserved across diverse ecological communities.
http://www.sciencemag.org/content/335/6075/1489.abstract
4 High-speed observations reveal how rapid changes in cell shape powerfully eject fern spores.
http://www.sciencemag.org/content/335/6074/1322.abstract
3 Long-term field studies show female monkeys improve their fitness by terminating their pregnancies when a new male becomes dominant.
http://www.sciencemag.org/content/335/6073/1222.abstract
2 Rivaling the World's Smallest Reptiles: Discovery of Miniaturized and Microendemic New Species of Leaf Chameleons (Brookesia) from Northern Madagascar.
http://www.plosone.org/article/info:doi/10.1371/journal.pone.0031314
1 Ecological Guild Evolution and the Discovery of the World's Smallest Vertebrate.
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0029797
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