Puzzle 5

A witness, someone watching from the sidelines.

Collect these pretty, hard casings at the beach.

Conductor's instruction to get everyone on train.

Dratini's final Pokemon evolution.

February 2 is this animal's day, ask Bill Murray!.

Invented language made for global communication.

Music machines at bars.

Ranks musical hits by popularity.

Sought-after currency, limited editions.

Swimming pool version of hide-and-seek.

The __, 1997 steelworkers film.

Way of living with preferences and routines.

__ displays, dramatic mating rituals of some birds.