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  2. American kestrel - Wikipedia

    en.wikipedia.org/wiki/American_kestrel

    Instead, a process of convergent evolution to fit a similar small prey niche in the ecosystem as the true kestrels have left it with similar physical characteristics and hunting methods. The American kestrel is a common bird used in falconry, especially by beginners. Though not as strong a flyer as many other, larger falcons, proper training ...

  3. List of birds of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_birds_of_the...

    For species found in the 50 states, Puerto Rico, and the U.S. Virgin Islands, the taxonomic treatment (designation and sequence of orders, families and species) and nomenclature (common and scientific names) used in the list are those of the AOS, the recognized scientific authority on the taxonomy and nomenclature of North and Middle American birds.

  4. Merlin (bird) - Wikipedia

    en.wikipedia.org/wiki/Merlin_(bird)

    The merlin (Falco columbarius) is a small species of falcon from the Northern Hemisphere, [2] with numerous subspecies throughout North America and Eurasia. A bird of prey, the merlin breeds in the northern Holarctic; some migrate to subtropical and northern tropical regions in winter. Males typically have wingspans of 53–58 centimetres (21 ...

  5. Falconidae - Wikipedia

    en.wikipedia.org/wiki/Falconidae

    The falcons and caracaras are around 65 species of diurnal birds of prey that make up the family Falconidae (representing all extant species in the order Falconiformes).The family likely originated in South America during the Paleocene [1] and is divided into three subfamilies: Herpetotherinae, which includes the laughing falcon and forest falcons; Polyborinae, which includes the spot-winged ...

  6. Accipitridae - Wikipedia

    en.wikipedia.org/wiki/Accipitridae

    This sexual difference in size is most pronounced in active species that hunt birds, such as the Accipiter hawks, in which the size difference averages 25–50%. In a majority of species, such as generalist hunters and rodent -, reptile -, fish -, and insect -hunting specialists, the dimorphism is less, usually between a 5% to 30% size difference.

  7. List of birds of North America - Wikipedia

    en.wikipedia.org/wiki/List_of_birds_of_North_America

    The taxonomic treatment [3] (designation and sequence of orders, families and species) and nomenclature (common and scientific names) used in the accompanying bird lists adheres to the conventions of the AOS's (2019) Check-list of North American Birds, the recognized scientific authority on the taxonomy and nomenclature of North America birds.

  8. Kestrel - Wikipedia

    en.wikipedia.org/wiki/Kestrel

    A juvenile American kestrel (Falco sparverius) perched on the roof of a car in Boston. Most species termed kestrels appear to form a distinct clade among the falcons, as suggested by comparison of mtDNA cytochrome b sequence data [1] and morphology.

  9. Bird of prey - Wikipedia

    en.wikipedia.org/wiki/Bird_of_prey

    Although the term "bird of prey" could theoretically be taken to include all birds that actively hunt and eat other animals, [4] ornithologists typically use the narrower definition followed in this page, [5] excluding many piscivorous predators such as storks, cranes, herons, gulls, skuas, penguins, and kingfishers, as well as many primarily ...