Evolutionary Biology News

• Mating and Breeding
  New Species
  Mice
  Evolutionary Biology
  Biology
  Nature
   
  

  Shorebirds Prefer a Good Body to a Large Brain

  July 18, 2013 — In many animal species, males and females differ in terms of their brain size. The most common explanation is that these differences stem from sexual selection. But predictions are not always ... > full story
• Dinosaurs
  Paleontology
  Evolutionary Biology
  Evolution
  Extinction
  Nature
   
  

  High Tooth Replacement Rates in Largest Dinosaurs Contributed to Their Evolutionary Success

  July 17, 2013 — Rapid tooth replacement by sauropods, the largest dinosaurs in the fossil record, likely contributed to their evolutionary success, according to a new article. The study also hypothesizes that ... > full story
• Agriculture and Food
  Food and Agriculture
  Evolutionary Biology
  Endangered Plants
  Genetics
  Nature
   
  

  How Rice Twice Became a Crop and Twice Became a Weed -- And What It Means for the Future

  July 17, 2013 — With the help of modern genetic technology and the resources of the International Rice GeneBank, which contains more than 112,000 different types of rice, evolutionary biologist Kenneth Olsen has ... > full story
• Intelligence
  Neuroscience
  Birds
  Psychology
  Nervous System
  Psychology Research
   
  

  Bird Brain? Birds and Humans Have Similar Brain Wiring

  July 17, 2013 — You may have more in common with a pigeon than you realize, according to ... > full story
• Fish
  Fisheries
  Trees
  Marine Biology
  Wild Animals
  Nature
   
  

  Family Tree of Fish Yields Surprises

  July 17, 2013 — The mighty tuna is more closely related to the dainty seahorse than to a marlin or sailfish. That is one of the surprises from the first comprehensive family tree, or phylogeny, of the "spiny-rayed ... > full story
• Extreme Survival
  Evolutionary Biology
  Nature
  Global Warming
  Genetics
  New Species
   

  Genetic Secrets of the World's Toughest Little Bird

  July 16, 2013 — New research reveals the genetic secrets of how a small bird can survive in one of the most hostile environments on earth. The ground tit (Parus humilis), lives in the Tibetan plateau, the largest ... > full story
• Evolutionary Biology
  New Species
  Mating and Breeding
  Biology
  Nature
  Extinction
   
  

  Big Crab Claws for Bling or Bang?

  July 16, 2013 — Male fiddler crabs tread an evolutionary fine line between growing an enlarged claw better for signalling to females or one better for fighting. Long light claws are better for attracting females, ... > full story
• Evolution
  Origin of Life
  Nature
  Evolutionary Biology
  Global Warming
  Air Quality
   
  

  Great Exaptations: Most Traits Emerge for No Crucial Reason, Scientists Find

  July 15, 2013 — By simulating changes in an organism's metabolism, scientists have now shown that most traits may emerge as non-crucial "exaptations" rather than as selection-advantageous ... > full story
• Frogs and Reptiles
  Mating and Breeding
  Acoustics
  Evolutionary Biology
  Biology
  Environmental Issues
   
  

  Share Robotic Frogs Help Turn a Boring Mating Call Into a Serenade

  July 15, 2013 — With the help of a robotic frog, biologists have discovered that two wrong mating calls can make a right for female túngara frogs. The "rather bizarre" result may provide insight into how ... > full story
• Mating and Breeding
  Evolutionary Biology
  Apes
  Behavioral Science
  Wild Animals
  Biology
   
  

  Attractive and Successful: In Bonobos, Attractive Females Are More Likely to Win Conflicts Against Males

  July 15, 2013 — While intersexual dominance relations in bonobos never have been thoroughly studied in the wild, several ideas exist of how females attain their dominance status. Some researchers suggest that bonobo ... > full story

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