Links, resources and progress of enrichment clusters
https://www.activewild.com/animal-classification/
https://www.amnh.org/explore/ology/zoology
https://www.sheppardsoftware.com/content/animals/kidscorner/classification/kc_classification_appearance.htm
https://zoo.sandiegozoo.org/animals-plants
https://zoo.sandiegozoo.org/live-cams
https://kids.nationalgeographic.com/
https://animaldiversity.org/
https://www.thoughtco.com/zoology-science-and-study-of-animals-129101