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  • The biodiversity of species and their rates of extinction . . .
    Most species are undescribed, however The species we know best have large geographical ranges and are often common within them Most known species have small ranges, however, and such species are typically newer discoveries The numbers of known species with very small ranges are increasing quickly, even in well-known taxa
  • Hummingbird - Wikipedia
    Hummingbirds have varied specialized characteristics to enable rapid, maneuverable flight: exceptional metabolic capacity, adaptations to high altitude, sensitive visual and communication abilities, and long-distance migration in some species Among all birds, male hummingbirds have the widest diversity of plumage color, particularly in blues
  • Birdwatching - Wikipedia
    Three people birdwatching with binoculars Birdwatching, or birding, is the observing of birds, either as a recreational activity or as a form of citizen science A birdwatcher may observe by using their naked eye, by using a visual enhancement device such as binoculars or a telescope, by listening for bird sounds, [1] [2] watching public webcams, or by viewing smart bird feeder cameras
  • The Development of Birdsong | Learn Science at Scitable - Nature
    The sounds that birds produce can be categorized into two distinct classes: calls and songs songbird species, birds have only a single song type in their repertoire while in about 20% of all
  • Natural colonization and adaptation of a mosquito species in . . .
    Mosquitoes are important disease vectors and have been implicated in the spread and establishment of novel pathogens on islands (3, 4) Only 3 mosquito species (Diptera: Culicidae) have been found in the Galápagos archipelago to date: The southern house mosquito (Culex quinquefasciatus Say), the black salt marsh mosquito (Aedes taeniorhynchus Wiedemann), and the globally distributed Yellow
  • Photo Gallery: Meet The Cosmopolitan Birds That Occur All . . .
    Our planet has a bounty of birds—more than 11,000 species in all But on a global scale, most have relatively small ranges And only a few dozen species can be called “cosmopolitan,” with ranges that touch six continents or at least three oceans These are the birds that tie our human world together—birds that nearly all of us have in
  • Genomic insights into the secondary aquatic transition of . . .
    Over time, penguins evolved the suite of morphological, physiological, and behavioral features that make them arguably the most uniquely specialized of all extant birds These adaptations have





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