Scientists say they have contributed to the extinction of nearly one dozen wild bird and animal species. As such, they have become the third worst human-introduced predators after cats and rats. Now dogs are said to threaten nearly 200 species worldwide, some of which are critically endangered, studies suggest. 12 февр. 2019 г.
Do dogs kill other animals?
Though they seem so natural in our homes, cats and dogs are natural predators, too. Most will attack birds, lizards and smaller mammals when given the chance, and scientists have demonstrated how their explosive populations can upset ecosystems.
How much wildlife do dogs kill in Australia?
Each Australian pet cat, if allowed to wander, has been estimated by some sources to kill an average of 16 mammals, 8 birds and 8 reptiles per year.
Do dogs damage the environment?
Their diet alone accounts for up to 30 percent of the environmental impact from all animal production, in terms of the use of land, water, fossil fuel, phosphates, and biocides. Several researchers contend that dogs rank third in their ability to disturb other species, outdone only by cats and rodents.
Are dogs more destructive than cats?
Since dogs tend to get more over-excited than cats, it's also more likely for them to knock over furniture. And then there are 'accidents' – dogs are typically more likely than cats to have 'accidents' of their own around the home (probably because it's a lot harder to teach dogs to use a litter tray!)
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