
Animal Behavior
Why Do Cats Purr?
Cats purr when they are happy, but also when they are stressed, injured, or recovering. The purr is more than a sound of contentment.
catspurring

Animal Behavior
Why Do Dogs Wag Their Tails?
Dogs wag their tails to communicate emotions and intentions, but a wag does not always mean happiness.
dogstail wagging

Animal Behavior
Why Do Dogs Howl?
Dogs howl for many reasons, including communication, attention, anxiety, territorial signaling, and responses to certain sounds.
dogshowling