Genus Numenius is a classification of birds commonly known as curlews. The curlews belong to the family Scolopacidae and are found in various parts of the world, including the Americas, Europe, Asia, and Africa. While the common name for these birds is curlew, there are several synonyms used to refer to them, such as Numenius arquata, Eurasian curlew, and whaup. These synonyms may vary depending on the region or country where the birds are found. Regardless of the name used, curlews are known for their unique appearance, with a long, thin bill that curves downwards and a distinctive call that echoes through their habitats.