Alion (Panthera leo). Lions are an example ofcharismatic megafauna, a group of wildlife species that are especially popular in human culture.
Wildlife refers toundomesticated animals and uncultivated plant species which can exist in their natural habitat, but has come to include allorganisms that grow or livewild in an area without beingintroduced byhumans.[1] Wildlife was also synonymous togame: thosebirds andmammals that werehunted for sport. Wildlife can be found in allecosystems.Deserts,plains,grasslands,woodlands,forests, and other areas including the most developedurban areas, all have distinct forms of wildlife. While the term inpopular culture usually refers toanimals that are untouched by human factors, most scientists agree that much wildlife isaffected byhuman activities.[2] Some wildlife threaten human safety, health, property andquality of life. However, many wild animals, even the dangerous ones, have value to human beings. This value might be economic, educational, or emotional in nature.
Humans have historically tended to separatecivilization from wildlife in a number of ways, including the legal, social and moral senses. Some animals, however, haveadapted tosuburban environments. This includesurban wildlife such asferal cats, dogs, mice, and rats. Some religions declare certain animals to be sacred, and in modern times, concern for thenatural environment has provokedactivists to protest against the exploitation of wildlife for human benefit or entertainment.
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Wildlife trade refers to the products that are derived from non-domesticatedanimals orplants usually extracted from their natural environment or raised under controlled conditions. It can involve the trade of living or dead individuals, tissues such as skins, bones or meat, or other products. Legal wildlife trade is regulated by theUnited Nations'Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which currently has 184 member countries calledParties.[7] Illegal wildlife trade is widespread and constitutes one of the major illegal economic activities, comparable to thetraffic ofdrugs andweapons.[8]
Stone Age people andhunter-gatherers relied on wildlife, both plants and animals, for their food. In fact, some species may have been hunted toextinction by early human hunters. Today, hunting, fishing, and gathering wildlife is still a significant food source in some parts of the world. In other areas, hunting and non-commercial fishing are mainly seen as asport or recreation. Meat sourced from wildlife that is not traditionally regarded as game is known asbushmeat. The increasing demand for wildlife as a source of traditional food inEast Asia is decimating populations of sharks, primates,pangolins and other animals, which they believe haveaphrodisiac properties.
Malaysia is home to a vast array of amazing wildlife. However, illegal hunting and trade poses a threat to Malaysia's natural diversity.
A November 2008 report from biologist and author Sally Kneidel, PhD, documented numerous wildlife species for sale in informal markets along theAmazon River, including wild-caughtmarmosets sold for as little as $1.60 (5 Peruvian soles).[14][self-published source?] Many Amazon species, includingpeccaries,agoutis,turtles, turtle eggs,anacondas,armadillos are sold primarily as food.
Manyanimal species have spiritual significance in different cultures around the world, and they and their products may be used as sacred objects in religious rituals. For example, eagles, hawks and their feathers have great cultural and spiritual value toNative Americans as religious objects. In Hinduism the cow is regarded as sacred.[16]
Muslims conduct sacrifices onEid al-Adha, to commemorate the sacrificial spirit ofIbrāhīm in Islam (Arabic-Abraham) in love ofGod. Camels, sheep, goats may be offered as sacrifice during the three days of Eid.[17]
In Christianity the Bible has a variety of animal symbols, theLamb is a famous title of Jesus. In theNew Testament the GospelsMark,Luke andJohn have animal symbols: "Mark is a lion, Luke is a bull and John is an eagle."[18]
Animals can be viewed in their native or similar environments, from vehicles or on foot. This elephant inHwange National Park, Zimbabwe, was quite undisturbed by the people and vehicle.Elephant safari after the One-horned Rhinoceros in Royal Chitwan National Park, Manali
Wildlife tourism is an element of many nations' travel industry centered around observation and interaction with local animal and plant life in their natural habitats. While it can includeeco- and animal-friendly tourism,safari hunting and similar high-intervention activities also fall under the umbrella of wildlife tourism. Wildlifetourism, in its simplest sense, is interacting with wild animals in their naturalhabitat, either actively (e.g. hunting/collection) or passively (e.g. watching/photography). Wildlife tourism is an important part of the tourism industries in many countries including many African andSouth American countries,Australia,India,Canada,Indonesia,Bangladesh,Malaysia,Sri Lanka andMaldives among many. It has experienced a dramatic and rapid growth in recent years worldwide and many elements are closely aligned toeco-tourism andsustainable tourism.
According toUnited Nations World Tourism Organization, with an annual growth about 3%, 7% of world tourism industry relates to wildlife tourism.[19] They also estimate that the growth is much more significant in places likeUNESCO World Heritage Sites.[19] Wildlife tourism currently employs 22 million people worldwide directly or indirectly, and contributes more than $120 billion to global GDP.[20] As a multimillion-dollar international industry, wildlife tourism is often characterized by the offering of customized tour packages andsafaris to allow close access to wildlife.
The topic has historically been discussed in the context of thephilosophy of religion as an instance of theproblem of evil.[27] More recently, starting in the 19th century, a number of writers have considered the subject from a secular standpoint as a general moral issue, that humans might be able to help prevent.[28] There is considerable disagreement around taking such action, as many believe that human interventions in nature should not take place because of practicality,[29] valuing ecological preservation over the well-being and interests of individual animals,[30] considering any obligation to reduce wild animal suffering implied by animal rights to be absurd,[31] or viewing nature as an idyllic place where happiness is widespread.[24] Some argue that such interventions would be an example of humanhubris, orplaying God, and use examples of how human interventions, for other reasons, have unintentionally caused harm.[32] Others, includinganimal rights writers, have defended variants of alaissez-faire position, which argues that humans should not harm wild animals but that humans should not intervene to reduce natural harms that they experience.[33][34]
Advocates of such interventions argue that animal rights and welfare positions imply an obligation to help animals suffering in the wild due to natural processes. Some assert that refusing to help animals in situations where humans would consider it wrong not to help humans is an example ofspeciesism.[22] Others argue that humans intervene in nature constantly—sometimes in very substantial ways—for their own interests and to further environmentalist goals.[35] Human responsibility for enhancing existing natural harms has also been cited as a reason for intervention.[36] Some advocates argue that humans already successfully help animals in the wild, such as vaccinating and healing injured and sick animals, rescuing animals in fires and other natural disasters, feeding hungry animals, providing thirsty animals with water, and caring for orphaned animals.[37] They also assert that although wide-scale interventions may not be possible with our current level of understanding, they could become feasible in the future with improved knowledge and technologies.[38][39] For these reasons, they argue it is important to raise awareness about the issue of wild animal suffering, spread the idea that humans should help animals suffering in these situations, and encourage research into effective measures, which can be taken in the future to reduce the suffering of these individuals, without causing greater harms.[24][35]
This subsection focuses onanthropogenic forms of wildlife destruction. The loss of animals from ecological communities is also known asdefaunation.[40]
Exploitation of wild populations has been a characteristic of modern man since our exodus from Africa 130,000 – 70,000 years ago. The rate of extinctions of entire species of plants and animals across the planet has been so high in the last few hundred years that it is widely believed that a sixth great extinction event ("theHolocene Mass Extinction") is currently ongoing.[41][42][43][44] The 2019Global Assessment Report on Biodiversity and Ecosystem Services, published by theUnited Nations'Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services, says that roughly one million species of plants and animals face extinction within decades as the result of human actions.[45][46] Subsequent studies have discovered that the destruction of wildlife is "significantly more alarming" than previously believed, with some 48% of 70,000 monitored animal species experiencing population declines as the result of human industrialization.[47][48] According to a 2023 study published inPNAS, "immediate political, economic, and social efforts of an unprecedented scale are essential if we are to prevent these extinctions and their societal impacts."[49][50]
The four most general reasons that lead to destruction of wildlife include overkill,habitat destruction andfragmentation, impact of introduced species and chains of extinction.[51]
Overkill happens whenever hunting occurs at rates greater than the reproductive capacity of the population is being exploited. The effects of this are often noticed much more dramatically in slow-growing populations such as many larger species of fish. Initially when a portion of a wild population is hunted, an increased availability of resources (food, etc.) is experienced increasing growth and reproduction asdensity dependent inhibition is lowered. Hunting, fishing and so on, have lowered the competition between members of a population. However, if this hunting continues at rate greater than the rate at which new members of the population can reach breeding age and produce more young, the population will begin todecrease in numbers.[52]
Populations that are confined to islands, whether literal islands or just areas of habitat that are effectively an "island" for the species concerned, have also been observed to be at greater risk of dramatic population rise of deaths declines followingunsustainable hunting.
Deforestation and increased road-building in theAmazon Rainforest are a significant concern because of increased human encroachment upon wild areas, increased resource extraction and further threats tobiodiversity.
The habitat of any given species is considered its preferred area orterritory. Many processes associated with human habitation of an area cause loss of this area and decrease the carrying capacity of the land for that species. In many cases these changes in land use cause a patchy break-up of the wild landscape. Agricultural land frequently displays this type of extremely fragmented, or relictual habitat. Farms sprawl across the landscape with patches of uncleared woodland or forest dotted in-between occasional paddocks.
Examples of habitat destruction include grazing of bushland by farmed animals, changes to natural fire regimes, forest clearing for timber production and wetland draining for city expansion. This is particularly challenging since wild animals cannot drink tap water, which means they cannot autonomously survive in those habitats where there is nosurface water access.
Mice, cats, rabbits, dandelions andpoison ivy are all examples of species that have become invasive threats to wild species in various parts of the world. Frequently species that are uncommon in their home range become out-of-control invasions in distant but similar climates. The reasons for this have not always been clear andCharles Darwin felt it was unlikely that exotic species would ever be able to grow abundantly in a place in which they had not evolved. The reality is that the vast majority of species exposed to a new habitat do not reproduce successfully. Occasionally, however, some populations do take hold and after a period of acclimation can increase in numbers significantly, having destructive effects on many elements of the native environment of which they have become part.
This final group is one of secondary effects. All wild populations of living things have many complex intertwining links with other living things around them. Largeherbivorous animals such as the hippopotamus have populations ofinsectivorous birds that feed off the many parasitic insects that grow on the hippo. Should the hippo die out, so too will these groups of birds, leading to further destruction as other species dependent on the birds are affected. Also referred to as adomino effect, this series ofchain reactions is by far the most destructive process that can occur in anyecological community.
Another example is theblack drongos and thecattle egrets found in India. These birds feed on insects on the back of cattle, which helps to keep them disease-free. Destroying the nesting habitats of these birds would cause a decrease in the cattle population because of the spread of insect-borne diseases.
^Ripple WJ, Wolf C, Newsome TM, Galetti M, Alamgir M, Crist E, Mahmoud MI, Laurance WF (13 November 2017)."World Scientists' Warning to Humanity: A Second Notice".BioScience.67 (12):1026–1028.doi:10.1093/biosci/bix125.hdl:11336/71342.Moreover, we have unleashed a mass extinction event, the sixth in roughly 540 million years, wherein many current life forms could be annihilated or at least committed to extinction by the end of this century.
^Diamond, J. M. (1989). Overview of recent extinctions. Conservation for the Twenty-first Century. D. Western and M. Pearl, New York, Oxford University Press: 37-41.