Larks is called an exaltation. Officers is called a mess. Owls is called a parliament. Ravens is called a murder. Rhinos is called a crash.
Unicorns is called a blessing.
Whales is called a pod. The Atlantic Ocean is saltier than the Pacific Ocean. The bones of a pigeon weigh less than its feathers. In medieval England beer was often served with breakfast. The right lung takes in more air than the left.