💥UPSC 2026, 2027, 2028 UAP Mentorship (March Batch) + Access XFactor Notes & Microthemes PDF

Type: Species

  • Wildlife Conservation Efforts

    Species in news: Himalayan Serow

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Himalayan Serow

    Mains level: Not Much

    A Himalayan mammal, somewhere between a goat and an antelope, has been confirmed as the newest creature to be spotted in Assam.

    Himalayan Serow

    • Himalayan Serow resembles a cross between a goat, a donkey, a cow, and a pig.
    • They are herbivores and are typically found at altitudes between 2,000 metres and 4,000 metres (6,500 to 13,000 feet).
    • They are known to be found in the eastern, central, and western Himalayas, but not in the Trans Himalayan region.
    • They are medium-sized mammal with a large head, thick neck, short limbs, long, mule-like ears, and a coat of dark hair.
    • There are several species of Serow s, and all of them are found in Asia.

    Try this PYQ:

    Q. With reference to India’s biodiversity, Ceylon frogmouth, Coppersmith Barbet, Gray-chinned mini yet and White-throated redstart are

    (a) Birds

    (b) Primates

    (c) Reptiles

    (d) Amphibians

    Its’ conservation status

    • According to the IUCN, Himalayan Serow s have experienced significant declines in population size, range size and habitat in the last decade, and this is expected to continue due to intensive human impact.
    • Previously assessed as ‘near threatened’, the Himalayan Serow is now been categorised as ‘vulnerablein the IUCN Red List of Threatened Species.
    • It is listed under Schedule I of The Wildlife Protection Act, 1972, which provides absolute protection.
  • Wildlife Conservation Efforts

    Species in news: Giant Leatherback Turtle

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Giant Leatherback Turtle

    Mains level: Not Much

    Proposals for tourism and port development in the Andaman and Nicobar (A&N) Islands has left conservationists worried over the fate of some of the most important nesting populations of the Giant Leatherback turtle.

    What is the news?

    • There is concern that at least three key nesting beaches — two on Little Andaman Island and one on Great Nicobar Island — are under threat due to mega “development” plans announced in recent months.
    • These include NITI Aayog’s ambitious tourism vision for Little Andaman and the proposal for a mega-shipment port at Galathea Bay on Great Nicobar Island.

    Giant Leatherback Turtle

    IUCN status: Vulnerable

    • The largest of the seven species of sea turtles on the planet and also the most long-ranging, Leatherbacks are found in all oceans except the Arctic and the Antarctic.
    • Within the Indian Ocean, they nest only in Indonesia, Sri Lanka and the A&N Islands.
    • They are also listed in Schedule I of India’s Wildlife Protection Act, 1972, according it the highest legal protection.
    • The population in A&N Islands is among the most important colonies of the Leatherback globally.

    About Galathea Bay

    • The Galathea Bay is adjacent to Galathea National Park in Great Nicobar Island.
    • It was earlier proposed as a wildlife sanctuary in 1997 for the protection of turtles and was also the site of a long-term monitoring programme.
    • The monitoring was stopped after the tsunami devastation of 2004, but it provided the first systematic evidence of numbers and importance of these beaches.
  • Wildlife Conservation Efforts

    Species in news: Mandarin Duck

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Mandarin Duck, Dibru Saikhowa NP

    Mains level: Not Much

    A rare Mandarin duck was observed floating in the Maguri-Motapung beel (or wetland) in Assam’s Tinsukia district for over a week is spectacular.

    Mandarin duck

    IUCN status: Least Concerned

    • Considered the most beautiful duck in the world, the Mandarin duck, or the (Aix galericulata) was first identified by Swedish botanist, physician and zoologist Carl Linnaeus in 1758.
    • The eBird website, a platform that documents birds world over, describes it as a “small-exotic looking bird” native to East Asia.
    • It’s very beautiful, with majestic colours and can be spotted from a distance.

    Its habitat and breeding

    • The migratory duck breeds in Russia, Korea, Japan and northeastern parts of China. It now has established populations in Western Europe and America too.
    • In 2018, when a Mandarin duck was spotted in a pond in New York City’s Central Park, it created a flutter among local residents.
    • It was recorded in 1902 in Dibru River in the Rongagora area in Tinsukia.

    About Maguri beel

    • The Maguri Motapung wetland is an Important Bird Area as declared by the Bombay Natural History Society.
    • It is located close to the Dibru Saikhowa National Park in Upper Assam.
    • The entire ecosystem is very important as it is home to at least 304 bird species, including a number of endemic ones like Black-breasted parrotbill and Marsh babbler.
    • In May 2020, the beel was adversely affected by a blowout and fire at an Oil India Limited-owned gas well.
  • New Species of Plants and Animals Discovered

    Species in news: Wild Sun Rose (Portulaca Laljii)

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Portulaca Laljii

    Mains level: NA

    Botanists have discovered a new species of wild Sun Rose from the Eastern Ghats in India.

    Try this PYQ from CSP 2018:

    Q.Why is a plant called Prosopis juliflora often mentioned in the news?

    (a) Its extract is widely used in cosmetics.

    (b) It tends to reduce the biodiversity in the area in which it grows

    (c) Its extract is used in the pesticides.

    (d) None of the above

    Portulaca Laljii

    • The new species named Portulaca laljii was discovered from the Prakasam district of Andhra Pradesh.
    • It has unique features such as a tuberous root, no hair in its leaf axils, a reddish-pink flower, prolate-shaped fruits, and copper brown seeds without luster.
    • Portulaca Laljii has been named to honor the contribution of Lal Ji Singh, an eminent botanist of the Botanical Survey of India.
    • The species has been placed under the ‘Data Deficient’ category of the IUCN List of Threatened Species because very little information is available about the population of the species.

    Morphological features

    • These morphological features distinguish the species from other species of the genus Portulaca.
    • The flowers, which are reddish-pink in color, are very minute, at about 0.5mm.
    • The plant was found growing in rocky crevices at an altitude of about 1,800 meters above mean sea level, very close to the ground, at about less than 10 cm.
    • The plants belonging genus Portulaca are classified in the category Sun Rose because they flower in bright sunshine.
    • The genus was described by Linnaeus in 1753 as a type genus of the flowering plant family Portulacaceae.
  • New Species of Plants and Animals Discovered

    Species in news: Himalayan trillium

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Himalayan trillium

    Mains level: Not Much

    The Himalayan trillium (Trillium govanianum), a common herb of the Himalayas was declared ‘endangered’ by the International Union for Conservation of Nature (IUCN) last week.

    Try this MCQ:

    Q.Recently, there was a growing awareness in our country about the importance of Himalayan nettle (Girardinia diversifolia) because it is found to be a sustainable source of-

    (a) Anti-malarial drug

    (b) Bio-diesel

    (c) Pulp for paper industry

    (d) Textile fibre

    Himalayan trillium

    • In recent years, the plant has become one of the most traded commercial plants of the Himalayan region, due to its high medicinal quality.
    • It is found in temperate and sub-alpine zones of the Himalayas, at an altitude from 2,400-4,000 metres above sea level.
    • Their existence has also been traced across India, Bhutan, Nepal, China, Afghanistan and Pakistan.
    • In India, it is found in four states only- Himachal Pradesh, Jammu and Kashmir, Sikkim, and Uttarakhand.
    • Often called Nagchatri, in local areas this herb grows to a height of 15-20 cm.

    Various applications

    • It has been used in traditional medicine to cure diseases like dysentery, wounds, skin boils, inflammation, sepsis, as well as menstrual and sexual disorders.
    • Recent experiments have shown that the rhizome of the herb is a source of steroidal saponins and can be used as an anti-cancer and anti-ageing agent.
    • This increased its market value and has now become an easy target for poachers.
  • Wildlife Conservation Efforts

    Species in news: Indian bison (Gaur)

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Indian Bison (Gaur)

    Mains level: Man-animal conflict

    A gaur (Indian bison) strayed into a residential area in Pune city and allegedly died while being captured. This has depicted another ugly face of the man-animal conflicts.

    Try this PYQ:                      

    Q.Which one of the following groups of animals belongs to the category of endangered species?

    (a) Great Indian Bustard, Musk Deer, Red Panda, Asiatic Wild Ass

    (b) Kashmir Stag, Cheetah, Blue Bull, Great Indian Bustard.

    (c) Snow Leopard, Swamp Deer, Rhesus Monkey, Saras (Crane)

    (d) Lion Tailed Macaque, Blue Bull, Hanuman Langur, Cheetah

    Gaur/ Indian Bison

    • The Indian bison are also known as Gaur, is native to South and Southeast Asia and has been listed as Vulnerable on the IUCN Red List since 1986.
    • The global population has been estimated at maximum 21,000 mature individuals by 2016.
    • It declined by more than 70% during the last three generations, and is extinct in Sri Lanka and probably also in Bangladesh.
    • Populations in well-protected areas are stable and increasing.
    • The Western Ghats and their outflanking hills in southern India constitute one of the most extensive extant strongholds of gaur, in particular in the Wayanad – Nagarhole – Mudumalai – Bandipur complex.
  • Wildlife Conservation Efforts

    Species in news: Himalayan Serow

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Himalayan Serow

    Mains level: NA

    A Himalayan Serow has been sighted for the first time in the Himalayan cold desert region.

    Try this MCQ:

    Q.In which one of the following State, the Rupi Bhaba Wildlife Sanctuary is located?

    (a) Himachal Pradesh

    (b) Manipur

    (c) Meghalaya

    (d) Uttarakhand

    Himalayan Serow

    • Himalayan Serow resembles a cross between a goat, a donkey, a cow, and a pig.
    • They are herbivores and are typically found at altitudes between 2,000 metres and 4,000 metres (6,500 to 13,000 feet).
    • They are known to be found in eastern, central, and western Himalayas, but not in the Trans Himalayan region.
    • They are a medium-sized mammal with a large head, thick neck, short limbs, long, mule-like ears, and a coat of dark hair.
    • There are several species of Serow s, and all of them are found in Asia.

    Its’ conservation status

    • According to the IUCN, Himalayan Serow s have experienced significant declines in population size, range size and habitat in the last decade, and this is expected to continue due to intensive human impact.
    • Previously assessed as ‘near threatened’, the Himalayan Serow is now been categorised as ‘vulnerablein the IUCN Red List of Threatened Species.
    • It is listed under Schedule I of The Wildlife Protection Act, 1972, which provides absolute protection.

    What is so unusual this time?

    • The animal was spotted by locals and wildlife officials at a riverside rocky wall near Hurling village in Spiti, Himachal Pradesh.
    • This is the first recorded human sighting of the Serow in Himachal Pradesh.
    • Serow s are generally not found at this altitude, and never before has a Serow been seen in the Himalayan cold desert.
    • Wildlife officials believe this particular animal may have strayed into the Spiti valley from the Rupi Bhaba Wildlife Sanctuary in adjoining Kinnaur.
  • New Species of Plants and Animals Discovered

    Species in news: Myristica Swamp Treefrog

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Myristica Swamp Treefrog

    Mains level: Western Ghats and its biodiversity richness

    Myristica swamp treefrog, a rare arboreal (living on trees) species endemic to the Western Ghats has been recorded for the first time in Kerala’s Thrissur district.

    Again, a stand-alone peculiar species is in the news. Make a special note here. Usually, note the species and its habitat location (IUCN status if available), in the purview of a generic prelims question.

    Myristica Swamp Treefrog

    • It bears the scientific name Mercurana myristicapalustris.
    • The frog was first spotted in 2013 in the Myristica swamps of Arippa, near the Kulathupuzha Reserve Forest, in the western foothills of Agasthyamalai, in Kollam district.
    • Unlike the Myristica swamp treefrog found in the foothills of the Agasthyamalai, these frogs were found to be active throughout June and early July.

    Unique traits

    • These frogs are rare and elusive for the reason that they are arboreal and active only for a few weeks during their breeding season.
    • During this season, there is a large aggregation of males that descend from the high canopy of the trees.
    • The breeding season, unlike for other frogs, starts in the pre-monsoon season (May) and ends before the monsoon becomes fully active in June.
    • Before the end of the breeding season, the female frogs along with their male counterparts descend on the forest floor. The female digs the mud and lays eggs in shallow burrows in mud.
    • After breeding and egg-laying, they retreat back to the high canopies of the tree and remain elusive till next breeding season.
  • Innovations in Biotechnology and Medical Sciences

    Zebrafish and its heart regeneration capacity

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Zebrafish

    Mains level: Not Much

    Indian scientists have used the Zebrafish model and identified its genes that can promote heart regeneration.

    Try this PYQ:

    Q.With reference to India’s Biodiversity, Ceylon frogmouth, Coppersmith Barbet, Gray-chinned minivet and White-throated redstart are-

    (a) Birds

    (b) Primates

    (c) Reptiles

    (d) Amphibians

    Zebrafish

    • Zebrafish is a small (2-3 cm long) freshwater fish found in the tropical and subtropical regions.
    • The fish is native to South Asia’s Indo-Gangetic plains, where they are mostly found in the paddy fields and even in stagnant water and streams.
    • The fish become adults at three months and survive 2-3 years in a laboratory condition.
    • Its unique characteristics lie in its transparency during its embryonic stages, allowing observing all organs, including beating heart and blood circulation.

    Ability to heal their heart

    • The ability of Zebrafish to heal their heart after injury makes them an attractive model to investigate mechanisms governing the regenerative process.
    • Researchers worldwide are actively working to understand the mechanism behind the heart regeneration in Zebrafish for the last two decades.
    • Years of efforts have helped them identify the cellular communication network factor 2a (ccn2a), a gene that can promote heart regeneration by enhancing cardiomyocyte proliferation.
    • They have also observed that this gene resolves the transient collagenous fibrotic scar resulting in faster regeneration.

    Significance for humans

    • Cardiovascular diseases are the number 1 cause of deaths globally, taking an estimated 17.9 million lives each year, according to the World Health Organisation.
    • Humans cannot regenerate their hearts upon myocardial damage and a person who suffered a heart attack cannot functionally heal the damaged heart muscle, resulting in reduced pumping efficiency.
    • While on the other hand, this unique fish has the full potential to regenerate its heart and restore its function after injury.
    • Till now, there is no treatment available to restore the damaged heart function in humans. Hence scientists have sought to decode the heart regeneration processes using this model animal.
  • New Species of Plants and Animals Discovered

    Species in news: Meghalaya’s Glowing Mushrooms

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Bioluminescence

    Mains level: Eastern Himalayas and its biodiversity

    A mushroom documentation project in the forests of Northeast India has discovered a bioluminescent — or light-emitting — variety of mushroom.

    Try this PYQ:

    Q.Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of:

    (a) Algae and bacteria

    (b) Algae and fungi

    (c) Bacteria and fungi

    (d) Fungi and mosses

    Roridomyces phyllostachydis

    • The new species was first sighted near a stream in Meghalaya’s Mawlynnong in East Khasi Hills district and later at Krang Shuri in West Jaintia Hills district.
    • It is now one among the 97 known species of bioluminescent fungi in the world.

    Bioluminescence in fungi

    • Bioluminescence is the property of a living organism to produce and emit light.
    • Bioluminescent organisms are usually found in ocean environments, but they are also found in terrestrial environments.
    • The colour of the light emitted by the organism depends on its chemical properties.
    • In the case of fungi, the luminescence comes from the enzyme, luciferase.
    • The green light emits when luciferans is catalysed by the enzyme luciferase, in the presence of oxygen.