World Lizard Day 2024: Monitor Lizard (Varanus spp.) Count in India

Occurrence Observation
最新版本 published by Nature Mates-Nature Club on 8月 15, 2025 Nature Mates-Nature Club
發布日期:
2025年8月15日
Published by:
Nature Mates-Nature Club
授權條款:
CC0 1.0

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說明

Monitor lizards, belonging to the family Varanidae and order Squamata, are ancient anguimorph reptiles found across Africa, South and Southeast Asia, and Australasia. They play a vital role as predators and scavengers in their ecosystems. The IUCN lists the Yellow Monitor (Varanus flavescens) as Endangered and the Bengal Monitor (Varanus bengalensis) as Near Threatened, while the Asian Water Monitor (V. salvator) and Desert Monitor (V. griseus) remain Least Concern. In India, all four species are protected under Schedule I, Part II of the Wildlife Protection Act (1972). These reptiles have drawn research interest due to their distinct morphology, behavior, and interactions with human settlements. However, their populations are declining due to urban expansion, habitat loss, pesticide use, and other human-driven threats.

With the continued support and enthusiasm, we’ve successfully conducted the Monitor Lizard (Varanus spp.) Count over the past two years. Following its initiation in 2022 and the overwhelming response received, we are excited to launch the 2024 edition. This initiative aims to assess the current population and distribution of monitor lizards across India while raising awareness by actively involving citizens in the process.

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GBIF 註冊

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關鍵字

Occurrence; Observation

聯絡資訊

C.S. Samrat
  • 元數據提供者 ●
  • 出處
  • Research intern
Nature Mates-Nature Club
  • 6/7 Bijoygarh
700032 Kolkata
West Bengal
IN
Priyanka Mandal
  • 出處
  • Environmental Consultant
JB Envrio Consultants PVT. LTD.
Kolkata
West Bengal
IN
Anindita Majumdar
  • 元數據提供者 ●
  • 出處
  • Faculty
Netaji Nagar College For Women
Kolkata
West Bengal
IN
Arijit Chatterjee
  • 元數據提供者 ●
  • 出處
  • Faculty
Asutosh College
Kolkata
West Bengal
IN
Nandita Barman
  • 元數據提供者
Nature Mates-Nature Club
  • 6/7 Bijoygarh
700032 Kolkata
West Bengal
IN
Arjan Basu Roy
  • 元數據提供者 ●
  • 連絡人
  • Secretary
Nature Mates-Nature Club
  • 6/7 Bijoygarh
700032 Kolkata
West Bengal
IN
Vijay Barve
  • 元數據提供者
  • Research advisor
Nature Mates-Nature Club
  • 6/7 Bijoygarh
700032 Kolkata
West Bengal
IN

地理涵蓋範圍

The study was carried out all across the India.

界定座標範圍 緯度南界 經度西界 [8.691, 71.92], 緯度北界 經度東界 [30.38, 92.701]

分類群涵蓋範圍

無相關描述

Kingdom Animalia
Phylum Chordata
Class Reptilia
Order Squamata
Family Varanidae

時間涵蓋範圍

起始日期 / 結束日期 2023-01-03 / 2024-09-24

取樣方法

opportunistic sampling and submission of data online through a google form questionnaire. Historical data was also accepted.

研究範圍 This study was conducted throughout the India during monsoon season.

方法步驟描述:

  1. Data was collected through Google form questionnaire, where the users provided their observation wherever possible. The form was circulated along with an instructions poster in ecologically inclined google groups, e-mails, social media channels as well as personal messages. Parameters of this survey includes: Date, Location, Time of Observation, Species richness, Species identification, Species age classification through size, Habitat, Behavior and Nesting site.

引用文獻

  1. Chatterjee A, Samrat C, Mandal P, Das M, William S, Majumdar A, Barman N, Basu Roy A, Barve V (2023). World Lizard Day 2022 : Monitor Lizard Count India. Version 1.6. Nature Mates-Nature Club. Occurrence dataset https://doi.org/10.15468/49tzb9 accessed via GBIF.org on 2024-06-22. https://doi.org/10.15468/49tzb9
  2. Samrat C, Mandal P, Das M, Sain R, Mukherjee R, Das A, Majumdar A, Chatterjee A, Barman N, Basu Roy A, Barve V (2024). World Lizard Day 2023: Monitor Lizard (Varanus spp.) Count in India. Version 1.10. Nature Mates-Nature Club. Occurrence dataset https://doi.org/10.15468/gmecv2 accessed via GBIF.org on 2025-08-12. https://doi.org/10.15468/gmecv2

額外的詮釋資料

目的

For understanding the distribution of Monitor lizard species throughout the India.
替代的識別碼 https://cloud.gbif.org/asia/resource?r=lizard_day_nmnc_2024