Elephant bird "A. maximus" and "D. stirtoni" were revised to 540 and 730 kg, respectively. Four species are usually accepted in the genus "Aepyornis" today, but the validity of some is disputed, with numerous authors treating them all in just one species, "A. maximus". Up to three species are generally included in "Mullerornis". Several ratites outside of Madagascar have been posited as "aepyornithid"-like and could potentially make this clade considerably more speciose. These include "Eremopezus" from the Eocene of North Africa, unnamed Canary Island remains and several Neogene taxa in Eurasia. "Aepyornis maximus" is commonly known as the 'elephant bird', a term
Nizki Island and kelp-marked shoals. Foxes were introduced to Nizki Island by Russian fur traders in the 19th century. This decimated the population of many bird species on the island. The last fox was removed from Nizki Island in 1976, and now Aleutian Canada Geese (once believed to be extinct), Puffins, and Aleutian Terns are common on the island. Nizki Island Nizki Island (Avayax̂ in Aleut) is an uninhabited island in the Aleutian Islands in the U.S. state of Alaska. Located at , it is the middle island of the Semichi Islands group of the Near Islands. Flanked by Shemya to the