The term 'mythical bird of prey' can be summarized as the ROC, a three-letter mythical creature. The ROC is a giant bird from Arabian mythology that is said to have been able to carry off and eat elephants. It is also known as the Rukh, and is sometimes described as having a wingspan of up to 300 feet. The ROC is often featured in stories from the Arabian Nights, and is sometimes associated with the phoenix.