![The validity of ecogeographical rules is context-dependent: testing for Bergmann's and Allen's rules by latitude and elevation in a widespread Andean duck]()
The validity of ecogeographical rules is context-dependent: testing for Bergmann's and Allen's rules by latitude and elevation in a widespread Andean duckGutiérrez-Pinto, Natalia; McCracken, Kevin G.; Alza, Luis; Tubaro, Pablo; Kopuchian, Cecilia; Astie, Andrea; Cadena, Carlos Daniel · Biological Journal of the Linnean Society · 2014