This undated photo provided by the Zoological Society of San Diego shows scimitar-horned oryx. They are among the animals being considered for a new facility planned by the San Diego Zo

 

              This undated photo provided by the Zoological Society of San Diego shows scimitar-horned oryx. They are among the animals being considered for a new facility planned by the San Diego Zo
This undated photo provided by the Zoological Society of San Diego shows scimitar-horned oryx. They are among the animals being considered for a new facility planned by the San Diego Zoo Global Wildlife Conservancy and New Orleans' Audubon Nature Institute in New Orleans. Of 28 species under consideration, about half are endangered, vulnerable or near threatened. (AP Photo/Zoological Society of San Diego, Ken Bohn)