Humans are not the only species to help one another. Bottlenose dolphins will swim underneath a sick dolphin and push its head above water to help it breathe. When a Seychelles warbler becomes entangled in a seed cluster, fellow birds pick the sticky seeds out of its wings until it is able to fly free. An ant attacked by termite soldiers, limbs torn off in the struggle, will be carried back to its nest by other ants in its colony. In the wild, such aid is always preceded by a call for help. Sick dolphins emit two short whistles. Stuck warblers trill an alarm call. Injured ants release distress
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