- Dogs lick themselves not only to show affection, but also to express facial grooming and social bonding.
- Tail wagging can indicate different emotions, depending on the height and speed of the movement.
- Dogs may be ashamed of their actions, as demonstrated by their posture and facial expression after mischief.
- It is a myth that dogs only see in black and white. They can see some colors, but their vision is more limited than that of humans.
- Dogs may feel jealous and feel left out when attention is given to other animals or humans.
- Some dogs can smell when someone has migraines, epileptic seizures or low blood sugar levels.
- Dogs have a natural impulse to turn in circles before lying down, a relic of their ancestors who did this in the wild to create a comfortable place to sleep.
- Dogs can recognize human emotions and respond to voice intonation and facial expressions.