小橋 昭彦 2008年4月29日
Birds Can Detect Predators Using Smell
The use of smell to detect chemical signals can be useful for birds in various situations, such as feeding and orientation. However, they can greatly increase their chances of survival if they can tell whether or not the smell they have detected is associated with a predator.

そういえば、鳥が匂いによって敵を察知したりという考え方は、あまりしないね、ぼくたち。でも、実際には、鳥も匂いを活用している。

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