×

UPSC Courses

DNA banner

DAILY NEWS ANALYSIS

  • 13 April, 2021

  • 5 Min Read

Recent Dolphin Census Report Released

Recent Dolphin Census Report Released

The Odisha State Forest and Environment Department released the final data on the dolphin census that covered almost the entire coast of Odisha.

Key Findings:

  • The number of dolphins increased by 311 in Odisha taking the total number up to 544 Dolphins. In the 2020 census, there were a total of 233 dolphins in the Odisha state.
  • Census recorded three species of Dolphins: Irrawaddy, bottle-nose, and humpback dolphins.
  • Irrawaddy Dolphins: The population of Irrawaddy dolphins jumps from 146 in 2020 to 162 this year. These Dolphins mostly reside in Chilika lake. Apart from Chilika, 39 Irrawaddy dolphins were also sighted in the Rajnagar mangrove division.
    • The rise in the Irrawaddy dolphin population in Chilika is due to the eviction of illegal fish enclosures.
  • Humpback Dolphins: The highest growth is observed in the case of humpback dolphins. In 2021, their population increased to 281.
  • Bottlenose Dolphin: The number of bottle-nose dolphins increases from 23 in 2020 to 54 in 2021.

About Irrawaddy Dolphins:

  • Irrawaddy Dolphins are oceanic dolphins. They reside in brackish water near coasts, river mouths, and estuaries in South and Southeast Asia.
  • They have a bulging forehead and a short beak. Further, They pop their head out of the water to breathe.
  • Habitat: It extends from the Bay of Bengal to New Guinea and the Philippines.
  • Rivers: They reside in three rivers namely The Irrawaddy (Myanmar), the Mahakam (Indonesian Borneo), and the Mekong.
  • Population: As per estimations, there are less than 7500 Irrawaddy Dolphins in the world. More than 6,000 Irrawaddy dolphins have been reported from Bangladesh.
  • IUCN Status: Endangered

About Humpback Dolphin:

  • Humpback dolphins stay in relatively shallow nearshore waters throughout their range. It includes most of the coastlines in Australia, Africa, and Asia.
  • Species: There are four species of humpback dolphins with very little overlap between their ranges:
    • Indo-Pacific humpback dolphin (IUCN Status: Vulnerable)
    • Indian Ocean humpback dolphin(IUCN Status: Endangered)
    • Atlantic humpback dolphin(IUCN Status: Critically Endangered)
    • Australian humpback dolphin(IUCN Status: Vulnerable)

About Bottlenose Dolphin:

  • Further, Bottlenose dolphins are the most common members of the family of oceanic dolphins.
  • Bottlenose dolphins inhabit warm and temperate seas worldwide. Thus, they are found everywhere except for the Arctic and Antarctic Circle regions.
  • Species: Following are three species of Bottlenose dolphins:
    • Common bottlenose dolphin (IUCN Status: Least Concern)
    • Indo-Pacific bottlenose dolphin (IUCN Status: Near Threatened)
    • Burrunan dolphin (IUCN Status: Yet to be classified)

Source: TH


Competition Commission of India (CCI)

Competition Commission of India has selected Ansuman Pattnaik as the new head of its investigation’s unit recently. The Competition Commission of India (CCI) is a statutory body within the Ministry of Corporate Affairs. It was established in 2003, but became fully functional in 2009. The CCI aims to establish a

Connected Lending (CL)

RBI’s move to consolidate the scattered laws on connected lending is welcome. CL refers to persons who are in the position to control the decision of the lender. CL is the extension of credit to individuals or firms connected through ownership or the ability to exert control, whether direct or indirect. CL refers to cases where the

Cosmic Distances

No human probe has travelled much beyond the Solar System, yet we are able to measure distances across billions of light-years. The space beyond Earth is so incredibly vast that units of measure, which are convenient in everyday lives, can become gigantic. Distances between the planets, and especially between the stars, become so big when e

Devil Comet

Mount Everest-sized Devil comet hurtling in Earth’s direction could explode today. Pons-Brooks Comet - Comet 13P/Pons-Brooks, also called the Devil Comet, is about the size of Mount Everest and it is hurtling towards Earth. After an outburst in July, scientists believe that the comet could explode once again today. Ice volcanoe

Kakad Bhairav or Bhilat Baba BHILS

A stone deity worshipped by the Bhils in Madhya Pradesh’s Bagh was recently proved to be a fossilized dinosaur egg. Just like their ancestors worshipped ancient stones as deities, generations of Bhils had worshipped this sunbaked, reddish-brown Kakad Bhairav or Bhilat Baba. Sacrifices of chickens and sheep marked their whispered pleas

DNA

01 Feb,2024

Toppers

Search By Date

Post Feed

Newsletter Subscription
SMS Alerts

Important Links