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
Amphibians explore and migrate during cool moist weather. They can cover a lot of distance that way, especially if they can find damp places to take shelter in between stages of their journey.
Most animals (including us) are also perfectly capable of smelling water from a good distance. Wind blowing across a body of water will have more moisture in its air than the surrounding air. An exploring frog that smells water on the wind will likely come to check it out.
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