资讯
7 天
Live Science on MSNWhy are tropical animals so colorful?Whatever the evolutionary advantage, animals' color is inextricably intertwined with their environment, be it the bright ...
The origin of these differences in plumage has puzzled scientists for centuries: did colorful feathers evolve in the tropics or do tropical birds have colorful ancestors that flocked to the region ...
Thumbing through my field guides for North American species, it seemed to me that North American birds, on average, are not as colorful as tropical species. This was even true when comparing the ...
So, without further ado, here are 32 of the most colorful birds in the world. The keel-billed toucan (Ramphastos sulfuratus), also known as the rainbow-billed toucan, is a tropical bird with a ...
Tropical birds get their colors from a combination of brilliant pigments and structural color. Eliason's work focuses on structural color, so he wanted to explore that element of tropical bird ...
Tropical plants in the genus Heliconia attract ... putting the genus — which includes species such as bird-of-paradise look-alike Heliconia rostrata — in danger worldwide.
San Franciscans voted. These wild colorful tropical birds came to SF as pets; regained their freedom, reinvented their lives and flourished in our foggy welcoming City. I will be introducing the ...
Max Pinckers for The New York Times According to local lore, the zoo’s director, Guy Florizoone, released the birds because he wanted to add a splash of color to the city. “The start of the ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果