After a trial with Canada geese Branta canadensis, microlight aircraft were used in the US to teach safe migration routes to reintroduced whooping cranes Grus americana. |
This faint constellation is located between the two magnificent starry birds Grus and Pavo. |
For Grus leucogeranus, there was little reported change in population levels. |
The Whooping Crane Grus americana, or whooper, is the most famous endangered bird in North America. |
Another has a blue crane, belonging to the order Grus cinerea, standing erect on its stilts, showing fight. |
Hubble saw a ring around only one, HD 202628, which resides near the southern constellations Grus and Microscopium. |