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  2. Genomic evolution of birds - Wikipedia

    en.wikipedia.org/wiki/Genomic_evolution_of_birds

    The black-chinned hummingbird (Archilochus alexandri) is the bird species known to have the smallest genome among birds, which is only 0.91 Gb long.The genomic evolution of birds has come under scrutiny since the advent of rapid DNA sequencing, as birds have the smallest genomes of the amniotes despite acquiring highly derived phenotypic traits.

  3. Common nighthawk - Wikipedia

    en.wikipedia.org/wiki/Common_nighthawk

    There has been a general decline in the number of common nighthawks in North America, but some population increases also have occurred [4] in other geographical locations. [13] The bird's large range makes individual risk thresholds in specific regions difficult to establish. [1] In Ontario, the common nighthawk is rated as a species of special ...

  4. Ornithology - Wikipedia

    en.wikipedia.org/wiki/Ornithology

    These projects help to identify distributions of birds, their population densities and changes over time, arrival and departure dates of migration, breeding seasonality, and even population genetics. [105] The results of many of these projects are published as bird atlases. Studies of migration using bird ringing or colour marking often involve ...

  5. Evolution of birds - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_birds

    The evolution of birds began in the Jurassic Period, with the earliest birds derived from a clade of theropod dinosaurs named Paraves. [1] Birds are categorized as a biological class, Aves. For more than a century, the small theropod dinosaur Archaeopteryx lithographica from the Late Jurassic period was considered to have been the earliest bird.

  6. Mourning dove - Wikipedia

    en.wikipedia.org/wiki/Mourning_dove

    The bird is also Michigan's state bird of peace. [49] The mourning dove appears as the Carolina turtle-dove on plate 286 of Audubon's Birds of America. [19] References to mourning doves appear frequently in Native American literature. Mourning Dove was the pen name of Christine Quintasket, one of the first published Native American women authors.

  7. American bushtit - Wikipedia

    en.wikipedia.org/wiki/American_bushtit

    The American bushtit, or simply bushtit (Psaltriparus minimus), is a social songbird belonging to the genus Psaltriparus.It is one of the smallest passerines in North America and it is the only species in the family Aegithalidae that is found in United States; the other seven species are found in Eurasia.

  8. Red-winged blackbird - Wikipedia

    en.wikipedia.org/wiki/Red-winged_blackbird

    The red-winged blackbird (Agelaius phoeniceus) is a passerine bird of the family Icteridae found in most of North America and much of Central America. It breeds from Alaska and Newfoundland south to Florida, the Gulf of Mexico, Mexico, and Guatemala, with isolated populations in western El Salvador, northwestern Honduras, and northwestern Costa Rica.

  9. Bearded vulture - Wikipedia

    en.wikipedia.org/wiki/Bearded_vulture

    The large birds also regularly lock feet with each other and fall some distance through the sky with each other. [14] In Europe, the breeding pairs of bearded vultures are estimated to be 120. [ 41 ] The mean productivity of the bearded vulture is 0.43±0.28 fledgings per breeding pair per year and the breeding success averaged 0.56±0.30 ...

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