Examples of Aves (There are almost 9,000 known species of birds in the world.):

     Accipiter cooperii (Cooper's hawk)

    Actitis macularia (spotted sandpiper)

    Aechmophorus occidentalis (western grebe)

    Aegolius acadicus (saw-whet owl)

    Fratercula corniculata (horned puffin)

    Agelaius phoeniceus (red-winged blackbird)

    Aix galericulata (Mandarin duck)

    Alcedo atthis (common kingfisher)

    Anthracoceros coronatus (Malabar pied-hornbill)

    Spheniscus humboldti (Humboldt penguin)