The images seem real, just stolen from elsewhere. Who can say about the text. Either way yes the information is all made up and it all exists just as clickbait to get attention from people who are curious but not well informed.
Compare the spider and plant websites here:
https://forum.inaturalist.org/t/a-i-generated-spider-identification-web-page/60552
https://forum.inaturalist.org/t/are-my-concerns-about-ai-generated-plant-crud-overblown/60904
I’ve seen a couple fake bird information websites like these since then as well. Every day is April Fool’s Day on the internet…