The animals The Boyz members want to be reborn as (from their Cancam interviews)

• Eagle - Sangyeon
• Peregrine falcon - Jacob
• Puppy - Younghoon
• Eagle - Hyunjae
• Shark - Juyeon
• Platypus - Kevin
• White tiger - Chanhee

(pic cr. tbzholic_Q)

(cont.)

• Squirrel - Changmin
• Horse - Haknyeon
• Golden retriever - Sunwoo
• Unicorn - Eric

*Note: Each of the members drew their corresponding animals themselves!

Full interviews are here: https://twitter.com/cancamtv/status/1312331838141214720

You can read about the reason why each member chose their animal in this thread as well https://twitter.com/jaeminsteeth/status/1311624651643080705