For human beings, yawning is an exaggerated jaw movement that can be caused by sleepiness, stress, boredom, etc. Yawning is also widespread in many animals like these pictures below, but what caused the contagious yawning, ...
Paul Joynson-Hicks organized a unique photo competition, the Comedy Wildlife Photo Awards, for animals, those comedians from forests, grasslands, mountains and deserts give full play to their comedic talent. “The number and quality of the ...