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Bottlenose dolphins

This reading profile brings together 3 source-linked articles that reference bottlenose dolphins.

Fauna does not yet have a full sourced identification profile for this name, so this page keeps the relevant reading together without inventing missing species detail.
Across Fauna

Source-linked reading

  1. Field guideHow dolphins sleep with half their brainDuring unihemispheric sleep, strong slow waves occupy one cerebral hemisphere while the other remains in a more wake-like state. The sides alternate over time; this is neither total wakefulness nor a neat division in which exactly half of every brain system switches off.
  2. Field guideDo elephants have names?Machine learning applied to hundreds of elephant rumbles recorded in Kenya could predict which elephant a call was meant for, and elephants perked up when they heard calls originally addressed to them. Because the callers do not seem to imitate the receiver's voice, the labels look more like human names than like dolphin whistles.
  3. Field guideTen animals that look cute and friendly until they feel threatenedWanting to touch a wild animal is not foolishness; it is a wired response to a set of physical features, and it fires whether or not the animal is safe. The animals below are all things people reach for. Their defences run from a venomous ankle spur to a virus with an 80 per cent untreated fatality rate, and almost none of them are visible until they are used.