http://people.eku.edu/ritchisong/birdmetabolism.html http://people.eku.edu/ritchisong/birdmetabolism.html http://people.eku.edu/ritchisong/birdmetabolism.html http://people.eku.edu/ritchisong/birdmetabolism.html http://people.eku.edu/ritchisong/birdmetabolism.html http://people.eku.edu/ritchisong/birdmetabolism.html http://people.eku.edu/ritchisong/birdmetabolism.html Avian Thermoregulation - Gary Ritchison http://people.eku.edu/ritchisong/birdmetabolism.html