Male red-breasted robins defend their territories against other males by physically attacking them.The fact that a male robin will attack a clump of red feathers within its territory suggests that red feathers are a(n)________ that stimulates a fixed behavior.

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The Answer of Male red-breasted robins defend their territories against other males by physically attacking them.The fact that a male robin will attack a clump of red feathers within its territory suggests that red feathers are a(n)________ that stimulates a fixed behavior.

Male Red-Breasted Robins Defend Their Territories Against Other Males by Physically