Effect of Heat and Humidity
EFFECT OF HEAT AND HUMIDITY DURING A RACE By Dr Colin Walker BSc, BVSc, MRCVS, MACVSc (Avian health) Pigeons do not have sweat glands and so cannot lose body heat through sweating. In birds, body heat is lost by evaporative cooling from the air sacs. When birds become hot, they start to pant. This increases air flow […]