Hearts Break as Cat Mourns Death of Dog Sibling: 'Hurts Even More'
"Maybe she doesn't understand where he went," said one commenter on footage showing a cat seemingly missing a dog.
Do dogs get depressed?
Shorter days, less sunlight, and cooler temperatures can put anyone in a funk. As many as 5% of Americans experience seasonal affective disorder (SAD), a type of depression linked to seasonal changes.