People didn’t always say “hello” when they answered the phone. When the first regular phone service was established in 1878, Alexander Graham Bell suggested answering the phone with “ahoy.”

Wolves are legendary because of their spine-tingling howl, which they use to communicate. A lone wolf howls to attract the attention of his pack, while communal howls may send territorial messages from one pack to another. Some howls are confrontational. Calls may be answered by rival packs. Much like barking domestic dogs, wolves may simply begin howling because a nearby wolf has already begun.