The line graph illustrates how many bears, dolphins, and whales in North America and its coastal areas over 5 years between 2017 and 2022.
Overall, there was an upward trend in the number of bears, while dolphins witnessed a significant decline. Whales, on the other hand, remained relatively stable. It is also evident that bear populations were highest between 2020 and 2022.
In 2017, the number of bears was lowest, at around 10 million in the wild. This figure rose steeply to nearly 60 million one year later. Looking at the details, how many dolphins stood at around 150 million in 2017, and then decreased to reach the lowest point of about 30 million in 2019. Additionally, whales fell significantly from 80 million to around 60 million between 2017 and 2018, but, this figure suddenly increased to 100 million in 2019.
In 2019, the bears witnessed a climb in the wild, which was 60 million in 2018 and 100 million in 2019. This wild animal reached a high of nearly 180 million in 2022. Whale populations witnessed a significant fluctuation from 80 million to 100 million throughout the period. In the following two years ( from 2020 to 2022) there was a considerable decrease to only 1 million in 2022.