Recently added articles from Copeia:
Three New Atractus (Serpentes: Dipsadidae) from the Andes of Colombia
Sep 03, 2009; ... Three new species of Atractus are described from the northern Cordillera Central of Colombia. The new species, previously confused with older names, are easily distinguished from any currently recognized Atractus by unique combinations of morphological characters. Additionally, we provide ...
Frequent Consumption and Rapid Digestion of Prey by the Lake Erie Watersnake with Implications for an Invasive Prey Species
Sep 03, 2009; ... Studies of interactions between invasive and native species often focus on impacts on natives. We report potential impacts of a native predator, the Lake Erie Watersnake (Nerodia sipdeon insularum) on an invasive fish, the Round Goby (Apollonia melanostomus). Round Gobies have increased ...
Two New Species of Acestridium Haseman, 1911 (Loricariidae: Hypoptopomatinae) from the Rio Madeira Basin, Brazil
Sep 03, 2009; ... Acestridium gymnogaster and A. scutatum are described as new from small tributaries to the middle Rio Madeira, Amazonas, Brazil. Acestridium gymnogaster is most similar to A. discus from which it differs in the number of medial unpaired predorsal plates, the arrangement of chromatophores in ...
Differential Success of Prey Escaping Predators: Tadpole Vulnerability or Predator Selection?
Sep 03, 2009; ... Species inhabiting habitats with different predators are expected to show divergent phenotypes for antipredator traits. Here, we used a predator-prey system of dragonfly larvae and tadpoles to determine if vulnerability to a common predator differs in species with contrasting antipredator ...
Seasonal Shifts in Shelter and Microhabitat Use of Drymarchon couperi (Eastern Indigo Snake) in Georgia
Sep 03, 2009; ... Drymarchon couperi (Eastern Indigo Snake), a threatened species of the southeastern Coastal Plain of the United States, has experienced population declines because of extensive habitat loss and degradation across its range. In Georgia and northern Florida, the species is associated with longleaf ...