You searched for: “acrodendrophily
acrodendrophily (s) (noun), acrodendrophilies (pl)
An abode of various animals in the tops of trees; either for an extended time or for a short period: In the spring, when Virginia was on her way to school, she could see examples of acrodendrophilies, consisting of gray herons, building their nests in the crests of the towering trees beside the road where they were also able to get food from the nearby river.