Dogs can smell. They scent mark all the time. It's how smart dogs don't get lost. There are plenty of stupid ones. So they scent. Scent even more in an area they aren't familiar with. Otherwise they tend to mark the same territory. Dogs can smell. The English cocker spaniel the best sniffer dog on the planet, money, drugs, bombs, ammo.

Apparently even sniff out COVID. And cancer.

Dogs can smell. They scent mark all the time. Dogs can smell. The English cocker spaniel the best sniffer dog on the planet, money, drugs, bombs, ammo.

Apparently even sniff out COVID. And cancer.