Ornithologists have theorized that birds first began to build nests when they were unable to locate natural cavities. Of the 470 perching (passerine) birds in North America, about 25 percent use holes ...
Maria Cristina Tello-Ramos Neighboring groups of birds within the same species can create very different-looking nests — showing that their nest-building choices aren’t solely controlled by instinct ...
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Some ferns can be fussy to grow indoors and tend to drop fronds constantly (we’re looking at you, Boston ...
Neighboring groups of birds within the same species can create very different-looking nests — showing that their nest-building choices aren’t solely controlled by instinct and the environment. Instead ...
Some ferns can be fussy to grow indoors and tend to drop fronds constantly (we’re looking at you, Boston fern!), but the bird ...