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