Tree Swallow

7 Birds That Know It’s Going to Rain Before You Do

As the rain clouds roll in and the skies grow gray, our feathered friends sometimes offer us subtle hints about the weather ahead. Throughout history, keen observers have noted that certain birds seem to signal the arrival of rain—nature’s own weather predictors. Here’s a look at 7 birds whose behaviors often precede rainfall, along with authoritative insights to back up these timeless observations.

1. Swallows

Violet-Green Swallow
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Swallows are renowned for their agile flight and are often seen swooping low to the ground as a storm approaches. This behavior is linked to changes in air pressure that cause their insect prey to fly closer to the surface—drawing the swallows in for a hearty meal. To learn more about how birds can serve as natural weather predictors, visit the Cornell Lab of Ornithology.

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2. Red-winged Blackbirds

Red-Winged Blackbirds
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Red-winged Blackbirds are often found in marshy areas and become vocally active as a storm nears. Their loud, frequent songs—amplified in the damp air—may serve as a natural alert that rain is on its way. For more on the behavior of these birds, check out the Audubon Society’s Field Guide.

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3. Seagulls

Seagull on the Pier
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Seagulls may venture inland before a storm, seeking shelter and food away from rough seas. Their unexpected inland migration is a classic sign that a storm is brewing over the ocean. To read more about seagull behavior and their adaptability, visit the Encyclopedia Britannica entry on seagulls.

4. Robins

American Robin
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Robins are famous for their pre-rain foraging behavior—hopping across lawns in search of worms brought to the surface by moist soil. Their increased activity and lively search for food are considered reliable harbingers of impending rain. Discover more about the habits of American Robins at the Cornell Lab of Ornithology.

5. Geese

Geese
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Geese are known for their striking migratory formations, and their organized flight patterns—often accompanied by honking calls—can signal a change in weather. When you notice geese flying lower than usual, it might be a clue that a storm is near. For more detailed insights into geese behavior, see the Cornell Lab of Ornithology’s page on Canada Geese.

6. Crows

American Crow
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Crows are celebrated for their remarkable intelligence and are known to gather in large numbers before a storm. Their loud cawing and social behavior can act as a natural alert system, hinting that rain is imminent. To explore more about the clever nature of crows, check out the Cornell Lab of Ornithology.

7. Sparrows

House Sparrow
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Sparrows, though small, are lively and social birds that often flock together before a rainstorm. Their increased chattering and communal behavior as they seek shelter can be an endearing signal of approaching wet weather. Learn more about these resilient birds on the Cornell Lab of Ornithology’s guide to House Sparrows.