informal – adj. of or related to an unofficial way of doing things

rattle – n. a device used to make a sound

antler – n. the horn of a deer or similar animal

migratory – adj. involving an animal that often moves from one place to the another

on board - expression. included among the group of people who support a goal or project

roadkill - n. animals that have been killed by being hit by cars and other vehicles

obtain - v. to gain or get (something) usually by effort