These hamlets are termed "habitations". The habitations of labourers were unhygienic, overcrowded slums. It is widespread and found in all habitats, including deserts and human habitations. This boundary is poorly fenced and wild animals often wander into human habitations. These include accidental visits by vagrant birds that have wandered far from their normal habitations. Many birds may nest close to human habitations. Asian black bears are diurnal, though they become nocturnal near human habitations. Nevertheless, damage to surrounding human habitations and native fauna can be extensive and occasionally catastrophic. This includes "village dogs", which live in rural areas and human habitations. The islands currently have temporary human habitations. It is an active forager sometimes entering human habitations, especially when hunting domestic fowl. Initially there were possibly fifty simple habitations sited where the Oldtown is situated today. Hobo spiders sometimes build their webs in or around human habitations. Many places in Canada, both natural features and human habitations, use indigenous names. The degradation of marine ecosystems and the implications of coastal habitations are highlighted.