The close presence of man also brings excessive hunting or poaching.
Once agriculture turned the Northeast's virgin forest into exactly that, the deer boomed, prompting excessive hunting.
Excessive hunting by prehistoric man largely in Holocene time could have caused the demise of the mammals such as Rhinoceros, Equus, Bubalus, Bos, Boselephas, Antilope and Gazella.
Although now protected by law throughout their range, dugongs in some areas remain in danger of local extinction because of excessive hunting.
West Indian Whistling-Ducks populations are very small on most islands and greatly reduced from historical numbers due to excessive hunting, destruction of wetland habitats and predation by introduced invasive species such as mongoose, rats and feral dogs and cats.
It is crucial that we move quickly, as ecosystems and species are disappearing — due to habitat destruction, pollution, overpopulation and excessive hunting and fishing, as well as invasive species like fire ants, zebra mussels, bacteria and viruses.
Destruction of natural habitats and excessive hunting have led to a reduction in the range of animal life in large parts of the country, but wildlife can still be found in abundance in some areas.
The Netherlands currently operates three rehabilitation centers for seals: The marine mammals disappeared from the region in the Middle Ages due to excessive hunting and only reemerged in the 1980s.
The others probably all became extinct due to a combination of excessive hunting and deforestation.
The others were likely all made extinct by a combination of excessive hunting and deforestation.
