Big Four Venomous Snakes and similar Non-Venomous Snakes.pptx

Awareness about Big Four snakes

1. Introduction of ‘Big Four’ Venomous Snakes Dr. Vinayak Dhananjay Chavan Department of Environmental Science, Fergusson College (Autonomous), Pune.

2. Introduction Around 60 Species of Snakes are found in Maharashtra Most of them are harmless/ Non-Venoumous Today, we’ll see widely occurring four venoumous Species i.e. Big Four 1. Indian Cobra 2. Common Krait 3. Russell’s viper 4. Saw-scaled Viper

3. Indian Cobra Length 5ft Body: Yellow, Dark Brown or Black Eyeslarge black, round pupil Feature: Hood, Spectacled mark.

4. Common Krait Length: 4ft Body: Blue or Black, Dark Brown. Eyes: black Feature: Large hexagonal sclaes central dorsal side

5. Russell’s Viper Length: 5ft Body: Brown. Stout, round with thin short tail. Eyes: vertical pupil Feature: Flat triangular head with small scales. Three rows of dark brown oval-shaped marks with border.

6. Saw Scaled Viper Length: 1-2.5 ft Body: Pale Brown, white zig-zag pattern Eyes: large golden, vertical black pupil Feature: head with small scales, white or pale brown Spear mark. Body scales with saw like keels

7. Indian Cobra Rat Snake

8. Common Krait Wolf Snake

9. Russell’s Viper Rock Python

10. Saw Scaled Viper Common Cat Snake

11. Photo credits: https://commons.wikimedia.org/ Russell’s Viper 1: Shahid Shaikh, https://commons.wikimedia.org/wiki/User : Dfpindia Russell’s Viper 2: Manan Singh Mahadev , https://commons.wikimedia.org/wiki/File:Russell%27s _Viper_(29724423537).jpg Common Krait 1: Manoj Karingamadathil , https://commons.wikimedia.org/wiki/File:Bungarus_caeruleus_157751749.jpg Common Krait 2: Davidvraju , https://commons.wikimedia.org/wiki/File:Common_krait_.jpg Common Cobra 1: Dr. Raju Kasambe , https://commons.wikimedia.org/wiki/File:Indian_Cobra_Naja_naja_by_Dr_Raju_Kasambe_DSCN4991_(17).jpg Common Cobra 2: Dr. Raju Kasambe , https://commons.wikimedia.org/wiki/File:Indian_Cobra_Naja_naja_by_Dr_Raju_Kasambe_DSCN4991_(9).jpg Common Cobra 3: Jayendra Chiplunkar , https://commons.wikimedia.org/wiki/File:The_Common_Indian_Cobra_or_Spectacled_Cobra_06.JPG Common Cobra 4: Jayendra Chiplunkar , https://commons.wikimedia.org/wiki/File:The_Common_Indian_Cobra_or_Spectacled_Cobra_19.JPG Saw Scaled Viper1: Shantanu Kuveskar , https://commons.wikimedia.org/w/index.php?search=Saw+Scaled+Viper&title=Special:MediaSearch&go=Go&type=image Saw Scaled Viper2: Vassil, https://commons.wikimedia.org/wiki/File:Echis_carinatus_Gen%C3%A8ve_24102014_1.jpg

12. Photo credits: https://commons.wikimedia.org/ Rat Snake : Deepgun, https://commons.wikimedia.org/wiki/File:Indian_rat_snake_from_kottayam_kerala.jpg Wolf Snake: Davidraju, https://commons.wikimedia.org/wiki/File:Barred_wolf_snake.jpg Indian Rock Python: Pratik Jain, https://commons.wikimedia.org/wiki/File:Indian_rock_python_pratik_dahod.JPG Common Cat Snake: Jidneshd,https://commons.wikimedia.org/wiki/File:Common_Cat_Snake.jpg

13. Thank You