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The relationship between the size of a bird and its perching behaviorFeatured science projectScience project video


The crow puts a greater distance between itself and another crow when perching on a wire. The sparrow puts a smaller distance between itself and another sparrow when perching on a wire:

Bird Distance between perching birds (millimeters)
  Pair 1 Pair 2 Pair 3 Pair 4 Pair 5
Crow 233 241 226 239 230
Sparrow 124 132 118 128 120

Our results are plotted on the graph below.

 Bird perching distance science project

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Complexity level:
Project cost ($):
Time required:
It will take an hour to set up the experiment, and 2 days for observation.
Material availability:
Look for cable lines that birds often perch on
Safety concerns: