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  2. Can chickens fly? Here's everything to know about the bird's ...

    www.aol.com/chickens-fly-heres-everything-know...

    Yes, chickens can fly but not for long distances. Unlike other birds, chickens are not bred to fly. Most domesticated chickens are bred for food, not flight , according to BBC Wildlife Magazine.

  3. Flightless bird - Wikipedia

    en.wikipedia.org/wiki/Flightless_bird

    A study looking at energy conservation and the evolution of flightlessness hypothesized intraspecific competition selected for a reduced individual energy expenditure, which is achieved by the loss of flight. [19] Some flightless varieties of island birds are closely related to flying varieties, implying flight is a significant biological cost ...

  4. V formation - Wikipedia

    en.wikipedia.org/wiki/V_formation

    Eurasian cranes in a V formation (video) Birds flying in V formation. A V formation is a symmetric V- or chevron-shaped flight formation.In nature, it occurs among geese, swans, ducks, and other migratory birds, improving their energy efficiency, while in human aviation, it is used mostly in military aviation, air shows, and occasionally commercial aviation.

  5. Flying and gliding animals - Wikipedia

    en.wikipedia.org/wiki/Flying_and_gliding_animals

    Ballooning and soaring are not powered by muscle, but rather by external aerodynamic sources of energy: the wind and rising thermals, respectively. Both can continue as long as the source of external power is present. Soaring is typically only seen in species capable of powered flight, as it requires extremely large wings.

  6. Bird flight - Wikipedia

    en.wikipedia.org/wiki/Bird_flight

    Lesser flamingos flying in formation. When in gliding flight, the upward aerodynamic force is equal to the weight.In gliding flight, no propulsion is used; the energy to counteract the energy loss due to aerodynamic drag is either taken from the potential energy of the bird, resulting in a descending flight, or is replaced by rising air currents ("thermals"), referred to as soaring flight.

  7. Cats can get sick with bird flu. Here's how to protect them - AOL

    www.aol.com/cats-sick-bird-flu-heres-205023090.html

    The death of an Oregon house cat and a pet food recall are raising questions about the ongoing outbreak of bird flu and how people can protect their pets. Bird flu has been spreading for years in ...

  8. Bird migration - Wikipedia

    en.wikipedia.org/wiki/Bird_migration

    Due to the global spread of avian influenza, bird migration has been studied as a possible mechanism of disease transmission, but it has been found not to present a special risk; import of pet and domestic birds is a greater threat. [115]

  9. Bird strike - Wikipedia

    en.wikipedia.org/wiki/Bird_strike

    Mercedes-Benz 300SL sports car following the impact of a vulture to the windscreen at the 1952 Carrera Panamericana. A bird strike (sometimes called birdstrike, bird ingestion (for an engine), bird hit, or bird aircraft strike hazard (BASH)) is a collision between an airborne animal (usually a bird or bat) [1] and a moving vehicle (usually an aircraft).