Are there any animals that use roars to communicate their level of alertness to potential threats or opportunities?

... roar but not to purr. Cheetahs belong to the "purring cats" subfamily and as such do not roar. Many animals are said to purr, but a large 2002 study defined ... Roar Café. Enjoy lunch or a snack at the ROAR Café ... Great Plains Zoo: Some animals can strongly react to an animal inside or outside their enclosure. This engaging board book offers a unique interactive experience for young children. Each page introduces a different animal with a suggestion for how a ... This engaging board book offers a unique interactive experience for young children. ... Alternating between animal sounds (“I can hoot like an owl”) and animal ... Roaring Acres Alpacas ... Guests can enter the main pasture during our open hours, if they choose to do so, and can get an up-close experience with our animals. Oct 10, 2013 ... Only when stars, directors and producers stop forcing exotic animals onto soundstages will these sensitive and sophisticated animals get a ... Oct 29, 2013 ... Elephants can hear another elephant trumpeting, however, farther away than any other terrestrial species. This is simply a matter of physics. What should I know before applying for a ROAR grant ... We know animals can roar and growl and howl and that they can definitely get loud. Much louder than humans. With some of them, you expect the sounds they ... Since then, I've photographed other animals for clients such as Animal Planet and National Geographic. As you can imagine, I now consider working with domestic ...