During winter, nature becomes harsh and unforgiving—especially for small birds. Freezing temperatures, snow-covered ground, and frozen water sources make survival extremely difficult. Surprisingly, one everyday object can make a real difference: a simple tennis ball. As strange as it sounds, this small trick can help save birds during cold months, and very few people are aware of it.
Why Birds Struggle So Much in Winter
Birds need constant access to fresh water to survive. In winter, water sources often freeze solid, leaving birds dehydrated even when snow is everywhere. Snow is not a reliable water source—it requires too much energy for birds to melt it internally.
Lack of water can lead to:
- Dehydration
- Weakened immune systems
- Reduced ability to regulate body temperature
This is where the tennis ball comes in.
How a Tennis Ball Helps Prevent Water from Freezing
Placing a tennis ball in a bowl of water helps keep part of the surface unfrozen. The ball floats and moves slightly with wind or vibrations, preventing ice from fully forming. This movement breaks the freezing process and leaves birds access to liquid water for longer periods.
The image perfectly illustrates this idea: two small birds stand near a water bowl in the snow, with a tennis ball floating in the center—keeping the water accessible despite freezing temperatures.
How to Set It Up at Home (Step-by-Step)
You don’t need expensive equipment. Just follow these simple steps:
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