The African penguins are the only species of penguins in Africa. However, they are critically endangered due to shortage of food. Sardines and anchovies form a big part of their diet.

Due to rising ocean temperatures, pollution and overfishing, fish stocks have massively declined in recent decades. As a result, African penguins are struggling to find food for their sustenance. Scientists are now using a new technology to meticulously monitor their weights in a bid to keep an eye on their health and ensure they are eating enough. Watch this video to learn more.This article was originally published on Mongabay