Awkwafina, who voices Courtney in the film, had also starred in the film Crazy & Rich (2018). One of the eagle guards in this film is shown reading a book titled, "Crazy Rich Avians".
An early draft of this movie had a plot where the eagles come to destroy Piggy Island but was scrapped due to its serious tone.
Released the same year as Pets 2 - Vita da animali (2019), similar to how the first Angry Birds - Il film (2016) released the same year as Pets - Vita da animali (2016).
Leslie Jones and Peter Dinklage "rekindle their romance" that began with a sketch on Peter Dinklage/Gwen Stefani (2016).
Released the same year as Frozen 2 - Il segreto di Arendelle (2019), a sequel to another animated film that Josh Gad and Sterling K. Brown appear in.