Consider the following statements regarding the black-footed ferret (Mustela
nigripes):
1. It is the only ferret species native to North America.
2. The species exhibits delayed implantation in its reproductive cycle.
3. All known black-footed ferrets are descendants of 18 individuals captured in
1981.
4. The species is listed as Critically Endangered on the IUCN Red List.
Which of the statements given above are correct?
Explanation: Statements 1, 2, and 3 are correct. The black-footed ferret is the
only ferret native to North America, exhibits delayed implantation, and all known
ferrets descend from 18 individuals captured in 1981. Statement 4 is incorrect as
the species is listed as Endangered, not Critically Endangered, on the IUCN Red
List.
Explanation: Statements 1, 2, and 3 are correct. The black-footed ferret is the
only ferret native to North America, exhibits delayed implantation, and all known
ferrets descend from 18 individuals captured in 1981. Statement 4 is incorrect as
the species is listed as Endangered, not Critically Endangered, on the IUCN Red
List.