Dolphins
This reading profile brings together 3 source-linked articles that reference 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.Source-linked reading
- 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.
- 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.
- Field guideWhale watching without disturbanceWhales concentrate along predictable migration routes, which makes seasonal watching reliable—and makes disturbance easy if crowds press too close. Watching well means keeping legal distances, letting the animals control the encounter, and learning the behavioral cues that signal when a whale wants space.