In the past, scientists had to resort to museum skin collections to obtain samples, or to observe biological parameters in dissected animals. Today, these collections are still important, as they tell us about our past, but even more so, are all the scientific reserves that house living specimens. Data such as the length of the feathers in the different stages of growth, the colours they display while alive, or the blood samples needed to carry out any genetic study, give high value to the live reserves of animals. Basic details, such as vocalisations, can be essential to save threatened species in the wild. Diets, behaviours, health parameters and an endless list of concepts can only be obtained in many cases thanks to this important resource.
Having a person in your home, with your domestic pet, who has more sensitivity and knowledge in favour for the protection of nature, compared to someone who does not, is valuable. Keeping and raising animals requires special senses and awareness, which allows us to better understand the environmental problems we have on our planet.
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