Are zoos ethical in the modern age?

Encyclopedia of Opinion

Question: Are zoos ethical in the modern age?
Position‹2 of 2: No, zoos are good
Argument‹3 of 5›: Zoos conserve endangered species

Zoos protect animals that have the threat of becoming extinct.

The argument

The conservation case for zoos rests on a claim about what they are now principally organised to do. Most zoos are concerned with the conservation of endangered and at-risk animals rather than with display alone, and proponents argue that this reorientation has made them a working part of the infrastructure that keeps threatened species in existence. The evidence offered is the comparison between captive and wild populations. Some species have larger numbers in captivity than they do in the wild, which proponents take as proof that zoos are essential for keeping those animals alive: for such species the captive population is not a supplement to a secure wild one but the larger share of everything that remains. Where a wild habitat is shrinking or a population has fallen below the point at which it can sustain itself, a managed population held elsewhere is what prevents the species from passing the threshold beyond which recovery is impossible. Coordination is what turns individual collections into a conservation system. Zoos are able to work together by breeding animals across institutions and increasing the population of different species, which allows a species held in small numbers at any one site to be managed as a single larger group, with the genetic diversity that requires. Some institutions also attempt to reintroduce animals back into the wild, so that captivity functions as a stage in a species' survival rather than as its endpoint. The conclusion drawn is that captivity is crucial to the survival of endangered species, and that the alternative is not a wild population left undisturbed but a wild population left unassisted. Without the efforts of zookeepers, proponents argue, animal populations could plummet to the point of extinction, and the ethical question about zoos has to be weighed against that outcome rather than against an idealised wild in which the same animals would be doing well on their own.

Premises

[P1]Most zoos are dedicated to conserving endangered and at-risk animals, breeding them—sometimes to larger numbers than exist in the wild—and working together to increase populations and reintroduce some to the wild. [P2] For many species this captivity is crucial to survival, since without zookeepers' efforts their populations could plummet toward extinction. [C] Therefore, because zoos conserve endangered species, zoos are good and ethical in the modern age.

Counter-arguments

Most species are endangered due to humans. Animal populations have dropped drastically due to hunting, deforestation, and climate change. Many wild animals have survived without being captive in zoos, so human efforts to conserve species is not always needed.

Rejecting the premises

[Rejecting P2] Not all animals are found in zoos, therefore it is not essential for species survival.