The seven species of swans are an easily and universally recognized group of waterfowl, which have historically played important roles in the folklore, myths and legends in many cultures. Among the largest of all flying birds, they have been used as symbo
The seven species of swans are an easily and universally recognized group of waterfowl, which have historically played important roles in the folklore...
"En un sabado magico de marzo, maneje con un estudiante de postgrado hasta el valle central del Platte, al oeste de Grand Island, tanto para ver la migracion primaveral de aves acuaticas como la de las grullas grises..."
"En un sabado magico de marzo, maneje con un estudiante de postgrado hasta el valle central del Platte, al oeste de Grand Island, tanto para ver la mi...
