What is the Difference Between a Crow and a Raven
Here are some ways you can determine the difference between the common raven (Corvus corax) and the American crow (Corvus brachyrhynchos).
Biogeography is the study of the distribution of animals.
Here are some ways you can determine the difference between the common raven (Corvus corax) and the American crow (Corvus brachyrhynchos).
Each fall, Painted Lady butterflies (Vanessa cardui) migrate from Europe to subtropical Africa. Individuals can travel as far as 4,000 kilometers.
Here are some common terms in biogeography, a field of geography that studies the distribution of species.
This book sets out, in some nine chapters, both the ‘turbulent’ journey of that one species living 3.7 billion years ago to the 8.7 million today and the human activity threatening that biodiversity.
Wildlife corridors are overpasses and underpasses that connect natural regions and provide safe transit for migratory animals through human infrastructure.