This is Sudan.

Source: express

He is the world's last male Northern White Rhino and he lives in a reserve in Kenya called the Ol Pejeta Conservancy, with two other female Northern White Rhinos. The problem - Sudan has a low sperm count and the females, Najin and Fatu, are too old to reproduce. 

Source: smh

This is basically the end of the line. And this tweet by activist and biologist Daniel Schneider is a powerful assertion of how we have managed to drive another subspecies to extinction.

Rhinos are poached for their ivory horns. The same reason why Sudan's horn was cut off - to protect him from poachers. Not just that, he has round-the-clock body guards for protection as well.

Source: dailymail

It's just another sad story of how we are destroying our planet. Animals were here long before we came, but we took survival of the fittest to a whole new level and marred it with personal and monetary gain.

Source: quartz

The tweet has sparked a major debate.

Scientists are trying in-vitro fertilisation or stem cell technology, hoping to preserve some sperm and inseminate female Southern White Rhinos. As for Sudan, his lineage ends here. 

Source: theweek

And if you think about it, is it really a wake up call? Or are we already too late?

Mohammed Doyo, one of the Sudan's caretaker, said, “We can watch him getting older, and it’s sad for us.”  

(Also read: Northern White Rhinos Have 24x7 Bodyguards Because There Are Just 3 Of Them Left In The World)