🐶 Dog behavior · common
Sniffing the Ground
On a walk, your dog suddenly stops to sniff a specific spot intensely. The MOST likely interpretation:

Short answer
Reading chemical messages — the dog's primary sense
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What it actually means
Dogs have 220 million olfactory receptors to a human's 5 million. A single sniff at a fire hydrant tells them what dogs passed by, when, what sex, age, and stress level. Sniff stops are reading, not stalling.
What to do
Build dedicated sniff time into walks. "Sniffaris" reduce stress and provide cognitive enrichment that fast-walks cannot.
📚 Source: Horowitz, Being a Dog (2016) — popular synthesis of canine olfactory research.
Test your knowledge
On a walk, your dog suddenly stops to sniff a specific spot intensely. The MOST likely interpretation:
- Distraction — disobedience
- Reading chemical messages — the dog's primary sense✓ correct
- About to mark territory
- Sensing danger