Biology

Articles:
253 Wild Australian magpies (Cracticus tibicen dorsalis) living in large groups show increased cognitive performance, which is associated with increased reproductive success.
https://www.nature.com/articles/nature25503

252 Alarm calls evoke a visual search image of a predator in birds.
http://www.pnas.org/content/115/7/1541

251 Morphology, muscle capacity, skill, and maneuvering ability in hummingbirds.
http://science.sciencemag.org/content/359/6376/653

250 Polar bears’ high-energy lifestyle makes then reliant on sea ice–associated prey.
http://science.sciencemag.org/content/359/6375/568

249 Structural absorption by barbule microstructures of super black bird of paradise feathers.
https://www.nature.com/articles/s41467-017-02088-w

248 Genomic Analysis of Demographic History and Ecological Niche Modeling in the Endangered Sumatran Rhinoceros Dicerorhinus sumatrensis.
http://www.cell.com/current-biology/fulltext/S0960-9822(17)31466-5

247 The image-forming mirror in the eye of the scallop.
http://science.sciencemag.org/content/358/6367/1172

246 Natural selection shaped the rise and fall of passenger pigeon genomic diversity.
http://science.sciencemag.org/content/358/6365/951

245 Disorder in convergent floral nanostructures enhances signalling to bees.
https://www.nature.com/nature/journal/v550/n7677/full/nature24285.html

244 Profound reversible seasonal changes of individual skull size in a mammal.
http://www.cell.com/current-biology/fulltext/S0960-9822(17)31093-X

243 Shaping highly regular glass architectures: A lesson from nature.
http://advances.sciencemag.org/content/3/10/eaao2047

242 Single rat muscle Na+ channel mutation confers batrachotoxin autoresistance found in poison-dart frog Phyllobates terribilis.
http://www.pnas.org/content/114/39/10491

241 Asymmetry hidden in birds’ tracks reveals wind, heading, and orientation ability over the ocean.
http://advances.sciencemag.org/content/3/9/e1700097

240 Poison frogs have evolved mutations in nicotinic acetylcholine receptor genes that confer toxin resistance.
http://science.sciencemag.org/content/357/6357/1261

239 The Jellyfish Cassiopea Exhibits a Sleep-like State.
http://www.cell.com/current-biology/fulltext/S0960-9822(17)31023-0

238 Lizards on newly created islands independently and rapidly adapt in morphology and diet.
http://www.pnas.org/content/114/33/8812.abstract

237 Eye patches: Protein assembly of index-gradient squid lenses.
http://science.sciencemag.org/content/357/6351/564

236 Winter storms drive rapid phenotypic, regulatory, and genomic shifts in the green anole lizard.
http://science.sciencemag.org/content/357/6350/495

235 A novel mechanism for mechanosensory-based rheotaxis in larval zebrafish.
http://www.nature.com/nature/journal/v547/n7664/full/nature23014.html

234 Ravens parallel great apes in flexible planning for tool-use and bartering.
http://science.sciencemag.org/content/357/6347/202

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