We’ve got a new pond which must be half a mile away from the nearest lake/river yet frogs and toads have populated it almost immediately. How do they know where to find these new habitats?
In: Biology
People are explaining how animals can sense water, but another thing to think about is how many animals just die. If frogs from a pond head in several different directions, some will find new water and others will just die, either from dehydration or from predation/accidents along the way.
This kind of reminds me of the relatively frequent question about how animals manage to eat raw meat or drink stagnant water without dying, while humans can’t. And the answer is that many of them do die, and that humans could do the same if we were willing to have a much higher mortality rate.
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