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

Type: Species

  • New Species of Plants and Animals Discovered

    Spartaeus karigiri: New jumping Spider Species discovered in Karnataka

    Why in the News?

    Researchers from Chennai have discovered a new species of jumping spider, ‘Spartaeus karigiri’, belonging to the Spartaeinae subfamily.

    About the Spartaeus karigiri :

    • Spartaeus karigiri is a newly discovered species of jumping spider, part of the Spartaeinae subfamily within the Salticidae (jumping spider) family.
    • It was first identified in the Karigiri (Elephant Hill) region of Devarayanadurga, Karnataka, and is named after this location.
    • The species marks the first recorded instance of the Spartaeus genus being found in India, extending its previously known range from Southeast Asia.
    • Field specimens were also collected from Villupuram district in Tamil Nadu, suggesting a broader habitat.

    Key Features:

    • Genus Identification: Belongs to the Spartaeus genus, known for its intelligent predation and visual hunting tactics.
    • Habitat: Found in rocky outcrops and forested terrain; prefers crevices and protected microhabitats.
    • Hunting Behaviour: Likely exhibits web-invasion hunting methods and prey mimicry, similar to other Spartaeinae members.
    [UPSC 2025] Regarding the Peacock tarantula (Gooty tarantula), consider the following statements:

    I. It is an omnivorous crustacean.

    II. Its natural habitat in India is only limited to some forest areas.

    III. In its natural habitat, it is an arboreal species.

    Which of the statements given above is/are correct?

    (a) I only (b) I and III (c) II only (d) II and III *

     

  • New Species of Plants and Animals Discovered

    Species in news: Himalayan long-tailed myotis

    Why in the News?

    Researchers have identified a new-to-science bat species, the Himalayan long-tailed myotis (Myotis himalaicus), from the Western Himalayas.

    Species in news: Himalayan long-tailed myotis

    About Himalayan Long-Tailed Myotis:

    • New Species: It is a newly described bat species from the Western Himalayas.
    • Discovery: It was first recorded in Chamoli district, Uttarakhand, in 2021 and matched with an earlier specimen collected in Pakistan in 1998.
    • Class: It belongs to the Myotis frater complex, which includes bats found across East and Central Asia.

    Key Features:

    • Habitat: Found in high-altitude forests such as deodar, pine, and cedar.
    • Distribution: Likely found across India, Pakistan, and Nepal.
    • Tail: Notably features a long tail, setting it apart within the Myotis genus.
    • Rarity: Considered uncommon, with limited sightings.
    • Identification: Confirmed through morphological traits and genetic analysis.
    • Scientific Significance: Enhances understanding of bat diversity in the Himalayas and supports transboundary biodiversity research.
    [UPSC 2009] In the context of Indian wildlife, the flying fox is a:

    Options: (a) Bat* (b) Kite (c) Stork (d) Vulture

     

  • Wildlife Conservation Efforts

    Greater Flamingo Sanctuary at Dhanushkodi

    Why in the News?

    The Tamil Nadu government has officially notified a Greater Flamingo Sanctuary at Dhanushkodi in Ramanathapuram district.

    Greater Flamingo Sanctuary at Dhanushkodi

    What is a Bird Sanctuary?

    • India’s bird sanctuaries are established under the Wildlife (Protection) Act, 1972 (WLPA).
    • Section 18 of the WLPA empowers State governments to declare wildlife or bird sanctuaries based on ecological or zoological importance.
    • The law prohibits hunting of protected birds and prescribes penalties for violations, including fines and imprisonment.

    About Greater Flamingo (Phoenicopterus roseus):

    • Overview: It is the largest and most widespread flamingo species, found across Africa, southern Europe, and South and Southeast Asia, including India and Pakistan.
    • Presence in India: India hosts both Greater and Lesser Flamingos. Greater Flamingo is the state bird of Gujarat.
    • Behaviour and Diet: These birds form monogamous pairs and get their pink coloration from a diet rich in brine shrimp and algae. They are omnivores, feeding on invertebrates, small fish, algae, and decaying plant matter.
    • Habitat: They prefer saltwater lagoons, mudflats, and saline lakes, and are important indicators of wetland health.
    • Migration Pattern: Every year, 100,000–150,000 flamingos migrate from Gujarat to Mumbai, typically arriving in November and settling in the Thane Creek Flamingo Sanctuary.
    • Migration Triggers: Their movement depends on food availability, water levels, and colony crowding.
    • Conservation Status:
      • IUCN Red List: Least Concern (LC) (species is widespread and abundant)
      • Wildlife Protection Act, 1972: Schedule II (protected but with lesser penalties than Schedule I)
      • CMS (Convention on Migratory Species): Appendix II (species need international cooperation for conservation)
      • CITES (Convention on International Trade in Endangered Species): Appendix II (trade is regulated to avoid overexploitation)

    About the Flamingo Sanctuary at Dhanushkodi:

    • Location: The sanctuary lies in the Gulf of Mannar Biosphere Reserve, spanning 524.7 hectares in Rameshwaram taluk.
    • Habitat: It includes mangroves, sand dunes, mudflats, and marshes, supporting migratory birds, marine life, and sea turtles.
    • Flyway Connection: The site falls along the Central Asian Flyway, a key route for wetland migratory birds.
    • Bird Census: The 2023–24 wetland bird survey recorded over 10,700 birds, including herons, egrets, sandpipers, and both flamingo species.
    • Ecological Importance: Mangrove species like Avicennia and Rhizophora dominate the area, offering breeding grounds and coastal protection.
    [UPSC 2015] With reference to an organization known as ‘BirdLife International’, which of the following statements is/are correct?

    (1) It is a Global Partnership of Conservation Organizations. (2) The concept of ‘biodiversity hotspots’ originated from this organization. (3) It identifies the sites known/referred to as ‘Important Bird and Biodiversity Areas’.

    Select the correct answer using the code given below:

    Options: (a) 1 only (b) 2 and 3 only (c) 1 and 3 only * (d) 1, 2 and 3

     

  • New Species of Plants and Animals Discovered

    Pedicularis rajeshiana: New plant species from Himalayas

    rajesh

    Why in the News?

    A new plant species named Pedicularis rajeshiana has been discovered in the western Himalayas of India.

    About Pedicularis rajeshiana:

    • Discovery: It is a newly discovered plant species found at Rohtang Pass, Himachal Pradesh, at an altitude of 4,390 metres.
    • Research Publication: The discovery was made by a scientist from the Botanical Survey of India (BSI), Dehradun, and published in the journal Phytotaxa.
    • Plant Family: It belongs to the Orobanchaceae family and is part of the Lousewort group of plants.
    • Plant Type: It is a hemiparasitic plant, meaning it draws some nutrients from nearby plants but also performs photosynthesis.
    • Habitat: Grows on shaded, rocky mountain slopes, making it rare and possibly endangered due to its specific environment.
    • Diversity: With this addition, India now has 83 Pedicularis species, including 36 in the western Himalayas.

    Key Features of the Plant:

    • Unique Floral Structure:
      • Flowers have a deeply cut lower lip and stamens at three different levels — a very rare combination.
      • Some flowers show a twin galea (double hood), never observed before in this genus, possibly an evolutionary trait to enhance pollination.
    • Microscopic Details: Pollen grains have a croton-like texture and a distinct shape, confirmed through microscope studies.
    • Distinctiveness: Compared to related species like P. porrecta and P. heydei, this plant is smaller, with fewer flowers and leaflets.
    [UPSC 2018] Why is a plant called Prosopis juliflora often mentioned in news?

    Options: (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 synthesis of pesticides. (d) (None of the above.

     

  • Wildlife Conservation Efforts

    Conservation of Dugongs

    Why in the News?

    May 28 is celebrated every year as World Dugong Day.

    Conservation of Dugongs

    About Dugongs:

    • Species Info: Dugong dugon, also known as sea cows, are herbivorous marine mammals closely related to manatees but live only in saltwater.
    • Habitat: They live in shallow coastal waters and are mainly found in the Andaman and Nicobar Islands, Gulf of Mannar, Palk Bay, and Gulf of Kutch.
    • Diet and Role: Dugongs feed on seagrass species like Cymodocea, Halophila, Thalassia, and Halodule. As they graze, they stir up the seabed, earning the nickname “farmers of the sea.”
    • Lifespan and Behaviour: They can live up to 70 years and are usually solitary or seen in mother-calf pairs.
    • Reproduction: Females mature at 9–10 years and give birth every 3–5 years, resulting in a slow population growth of about 5% per year.
    • Conservation Concern: India’s dugong population has dropped to an estimated 200 individuals, with shrinking range and numbers.

    Conservation Efforts in India:

    • IUCN Status: Dugongs are listed as ‘Vulnerable’ globally and ‘Regionally Endangered’ in India.
    • Legal Protection: They are protected under Schedule I of the Wild Life (Protection) Act, 1972.
    • Global Agreements: India joined the Convention on Migratory Species in 1983 and signed the Dugong Conservation MoU in 2008.
    • Dugong Reserve: In 2022, India established its first Dugong Conservation Reserve in Palk Bay, Tamil Nadu, covering 448.3 sq. km.
    [UPSC 2015] With reference to ‘dugong’ a mammal found in India, which of the following statements is/are correct?

    1. It is a herbivorous marine animal. 2. It is found along the entire coast of India. 3. It is given legal protection under Schedule I of the Wildlife (Protection) Act 1972.

    Options: (a) 1 and 2 (b) 2 only (c) 1 and 3 * (d) 3 only

     

  • New Species of Plants and Animals Discovered

    Schistura Densiclava: New Fish Species Discovered in Meghalaya’s Cave

    Why in the News?

    A new species of fish, named Schistura densiclava, has been discovered inside a limestone cave in Meghalaya, even as the cave was already in focus due to a conflict over a Shivalinga-like stone formation.

    About Schistura Densiclava:

    • Discovery Location: Schistura densiclava was discovered in Krem Mawjymbuin, a limestone cave in East Khasi Hills, Meghalaya.
    • Research Team: The species was identified by a team led by Kangkan Sarma of Gauhati University’s Zoology Department.
    • Type: It is a troglophile loach, meaning it lives in caves but can also survive in surface streams.
    • Habitat Conditions: Found in a fast-flowing cave stream, 60 meters inside, with low oxygen and 18°C temperature.
    • Family: Belongs to the Nemacheilidae family, which includes small, bottom-dwelling freshwater fishes.

    Key Features:

    • Body Color and Markings: The fish has a pale yellow-green body with 14 to 20 greyish-black bars along its sides.
    • Name Meaning: “Densiclava” is Latin for “thick stripe,” referring to a dark stripe near the dorsal fin.
    • Adaptation Traits: Unlike many cave species, it retains pigmentation and functional eyesight, helping it survive both underground and in surface waters.
    • Sexual Dimorphism:
      • Males are slimmer, have irregular body patterns, and have puffier cheeks.
      • Females are more robust with uniform markings.
    • Genetic Confirmation: DNA testing confirmed that this is a completely new species.
    • Endemism: The fish appears to be endemic to Krem Mawjymbuin, meaning it is found nowhere else.
    [UPSC 2025] Regarding Peacock tarantula (Goody tarantula), consider the following statements:

    I. It is an omnivorous crustacean.

    II. Its natural habitat in India is only limited to some forest areas.

    III. In its natural habitat, it is an arboreal species.

    Which of the statements given above is/are correct?

    Options: (a) I only (b) I and III (c) II only (d) II and III

     

  • Wildlife Conservation Efforts

    Lion count grows by 32% in 5 years

    Why in the News?

    According to a recent report by the Gujarat Forest Department, the population of Asiatic lions in India has increased by 32% between 2020 and 2025, reaching 891 individuals.

    lion

    About the Asiatic Lion:

    • Scientific Identity: The Asiatic Lion, also known as the Persian or Indian Lion, is found only in India and is one of the 5 big cat species in the country.
    • Physical Traits: They are slightly smaller than African lions and have a less developed mane.
    • Habitat: Their only wild habitat is the Gir National Park and Wildlife Sanctuary in Gujarat.
    • Range: Asiatic lions once roamed Western Asia, the Middle East, and parts of eastern and central India. Now, their entire wild population is restricted to Gujarat.
    • Conservation Status:
      • IUCN Red List: Vulnerable (most sources claimed it Endangered, but VU status is confirmed from IUCN official website).
      • CITES: Appendix I (international commercial trade is prohibited; trade is permitted only in exceptional circumstances)
      • Wildlife Protection Act, 1972: Schedule I (highest level of protection in India, violations attract the harshest penalties)
    • Lion Census: First conducted in 1936, and since 1965, done every 5 years by the Gujarat Forest Department.
    • Behavioural Aspects:
      • Reproduction: Lions are polyoestrous with no fixed breeding season; females come into estrus every 16 days and remain fertile for 4–8 days.
      • Territorial Marking: Lions roar and scent mark to declare territory; males often scrape the ground to carry their scent.

    Population and Conservation Updates:

    • Population Growth: From 2020 to 2025, the lion population rose 32% to 891.
    • Female Increase: Adult females grew 27% to 330, indicating positive breeding trends.
    • Habitat Expansion: Lions now inhabit nine satellite regions, including Mityala (32 lions) and a new corridor (22 lions).
    • Range Growth: Lion territory expanded from 30,000 sq. km in 2020 to 35,000 sq. km in 2025 — a 16.67% increase.
    • Project Lion (2020): A ₹2,900 crore mission to enhance habitats and create new protected areas within Gujarat.
    • Human-Wildlife Conflict: With more lions outside reserves, there’s a rise in livestock attacks, with a 10% annual increase in affected villages and a 15% rise in animals killed.
    • Community Support: Despite risks, 61% of surveyed locals showed tolerance towards lions, underlining the need for community-based conservation.
    Back2Basics: International Big Cat Alliance (IBCA) 

     

    [UPSC 2024] Consider the following statements:

    1. Lions do not have a particular breeding season.

    2. Unlike most other big cats, cheetahs do not roar.

    3. Unlike male lions, male leopards do not proclaim their territory by scent marking.

    Which of the statements given above are correct?

    Options: (a) 1 and 2 only* (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

     

  • Wildlife Conservation Efforts

    India assembles First Chromosome-Level Genome of the Yak

    Why in the News?

    Specialists from the Indian Council of Agricultural Research (ICAR) have successfully assembled the first-ever chromosome-level genome of the Indian yak (Bos grunniens).

    India assembles First Chromosome-Level Genome of the Yak

    About the Indian Yak (Bos grunniens):

    • The Indian yak, often referred to as the ‘ship of the Himalayas’, plays a crucial role in the high-altitude economies of India.
    • Features: It is known for its resilience and adaptability to extreme environments. It provides meat, milk, and manure and is a vital mode of transportation.
    • Habitat: It inhabits the regions above 7,000 feet in Ladakh, Sikkim, Arunachal Pradesh, and Himachal Pradesh.
    • Conservation Status: It is assessed as Vulnerable under the IUCN Red List and included in CITES Appendix I and Schedule I in the Indian Wildlife (Protection) Act, 1972.

    Significance of the Research:

    • Mapping Method: The study used long-read sequencing and advanced bioinformatics to map yak genes with high precision.
    • Feature Identification: The genome will help identify genes for cold tolerance, disease resistance, and milk production.
    • Comparative Applications: It will allow comparative studies with other bovine species to discover valuable genetic traits (alleles).
    • Breeding and Conservation: The data will support better breeding strategies and the creation of conservation plans for yaks.
    • Livelihood Impact: This research supports sustainable development and could improve the livelihoods of Himalayan yak herders through targeted livestock improvements.
    [UPSC 2017] According to the Wildlife (Protection) Act, 1972, which of the following animals cannot be hunted by any person except under some provisions provided by law?

    1. Gharial 2. Indian wild ass 3. Wild buffalo

    Select the correct answer using the code given below:

    Options: (a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3*

     

  • Wildlife Conservation Efforts

    Species in news: Indian Grey Wolf

    Why in the News?

    Indian Grey Wolves in the Kadbanwadi Grasslands in Pune District are exposed to threats from local dog populations, such as Canine Distemper Virus (CDV), rabies, and canine parvovirus.

    Indian Grey Wolf

    About the Indian Grey Wolf (Canis lupus pallipes):

    • The Indian Grey Wolf is a subspecies of the Grey Wolf, found in India, Southwest Asia, and parts of the Middle East.
    • It has a brownish-grey coat with black and white markings and is less vocal, living in small packs of 2 to 6 members.
    • This wolf is nocturnal, meaning it hunts mainly at night, preying on small animals like chinkaras (gazelles), rodents, and sometimes livestock.
    • It lives in scrublands, grasslands, and semi-arid regions, and prefers warm climates.
    • As an apex predator of the grasslands, it plays a vital role in the ecosystem by controlling the population of herbivores and smaller predators.
    • The species is under threat due to habitat loss, disease from stray dogs, crossbreeding, and human conflict.
    • Its conservation status is critical:
      • IUCN: Endangered
      • CITES: Appendix I (highest international protection)
      • Wildlife Protection Act, 1972: Schedule I (maximum legal protection)

    Do you know?

    • The only protected area specifically dedicated to Indian grey wolves in India is the Mahuadanr Wolf Sanctuary in Latehar district, Jharkhand.
    • This sanctuary was established in 1976 to protect the wolf population and is part of the Palamau Tiger Reserve.

     

    [UPSC 2002] Which one of the following is monogamous?

    Options: (a) Wolf* (b) Walrus (c) Seal (d) Deer* (Answer is disputed)

     

  • New Species of Plants and Animals Discovered

    World’s Longest Banana Infructescence Found in Andaman

    World’s Longest Banana Infructescence Found in Andaman

    Why in the News?

    A species of wild banana, Musa indandamanensis, endemic to the Andaman and Nicobar Islands, has set a world record with an infructescence (fruit bunch axis) measuring 4.2 metres — the longest ever recorded among banana species globally.

    About the Musa indandamanensis:

    • Musa indandamanensis is a wild banana species that is endemic to the Andaman and Nicobar Islands.
    • It was first discovered in 2012 near the Krishna Nala reserve forest in Little Andaman and officially described in 2014.
    • The species was later rediscovered in Campbell Bay, located in the Nicobar Islands.
    • The discovery was led by Dr. Lal Ji Singh, Head of the Botanical Survey of India’s Andaman and Nicobar Regional Centre.
    • Due to its limited natural range and habitat vulnerability, it is listed as Critically Endangered by IUCN.

    Notable Features:

    • The species holds the world record for the longest banana infructescence, measuring 4.2 metres.
    • The plant typically reaches a height of about 11 metres, with stem girth varying by location: under 100 cm in Little Andaman and around 110 cm in Campbell Bay.
    • It bears golden yellow to orange fruits, which ripen into a golden-orange pulp containing many irregular-shaped seeds.
    • The plant thrives in moist tropical forests, typically near waterfalls and streams.
    • It is considered a valuable genetic resource for developing drought-resistant, disease-tolerant, and high-yielding banana varieties.
    • Specimens are showcased in botanical institutions such as the Indian Museum in Kolkata and the Andaman and Nicobar Regional Centre.
    • For ex-situ conservation, saplings have been planted in botanical gardens in Howrah, Prayagraj, and Port Blair.
    [UPSC 2016] Recently, our scientists have discovered a new and distinct species of banana plant which attains a height of about 11 metres and has orange-coloured fruit pulp. In which part of India has it been discovered?

    Options: (a) Andaman Islands* (b) Anaimalai Forests (c) Maikala Hills (d) Tropical rain forests of northeast