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This is to prevent hybridisation with the native mottled duck. [137] The mallard is considered an invasive species in Australia and New Zealand, [25]: 505 where it competes with the Pacific black duck (known as the grey duck locally in New Zealand) which was over
In the mid-20th century, mallards were introduced to Africa and as the invasive population size has grown, concerns over possible hybridization with the yellow-billed duck have occurred. This fear is fueled by other examples of invasive mallards causing localized extinction of other native ducks around the world because of hybridization. [8]
For example, hybridization between Introduced mallards and the native Hawaiian duck (koloa maoli) and between the rarest European duck (the white-headed duck) and the invasive North American ruddy duck may result in the extinction of the native species.
This is a list of invasive species in North America.A species is regarded as invasive if it has been introduced by human action to a location, area, or region where it did not previously occur naturally (i.e., is not a native species), becomes capable of establishing a breeding population in the new location without further intervention by humans, and becomes a pest in the new location ...
An expert entomologist warns homeowners against four invasive bug species that are on the rise for summer 2025. Plus, we tell you how to spot and kill them. Expert Warns These 4 Very Invasive ...
In the following list, ^ indicates a species indigenous to the Hawaiian Islands but introduced to an area or areas outside its known native range, * indicates a formerly established population that is now extirpated, and parenthetical notes describe the specific islands where each species is known to be established.
The IRF hired local villagers to remove the invasive plants, helping to extend the rhino’s habitat. The villagers cleared out around 250 acres of land. Since then, cameras have caught rhinos in ...
Mallards, both domestic and wild in particular are notorious hybridizers, know to frequently hybridize within the mallard complex and even outside of Anas. The willingness to hybridize has concerned conservationists as the gene flow from the mallard may pollute pure populations of more vulnerable species such as the Mexican duck. [ 2 ]