Global warming is shaking up eco-systems and it has lead to the wiping off of many species altogether from the planet.
A video shared by Indian Forest Services officer Parveen Kaswan on Twitter shows the number of bird and animal species that gone extinct in just the last 100 years.
From the Guam flying fox to the Caspian tiger and flat-barbelled catfish, the viral video shows a jarring mix of species that our generation will never get to see in the wild.