5 Most surprising things a Dog can smell

While the human brain is dominated by a large visual cortex, the dog brain is dominated by an olfactory cortex. The olfactory bulb in dogs is roughly forty times bigger than the olfactory bulb in humans, relative to total brain size, with 125 to 220 million smell-sensitive receptors. The bloodhound exceeds this standard with nearly 300 million receptors.

via Wikipedia


Thing #05:

Whale Poop

Yes. You read that right. Dogs have been trained to detect whale poop. Riding on boats much like their SAR partners, these special dogs assist scientists and marine biologists on locating whale feces. Scientists analyze animal feces for a variety of reasons, but whale poop is harder to obtain as it doesn’t stay floating for long. Dogs, however, are reported to be able to locate a sample over a mile away.
Via Link

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