(Picture by Daniel Bensen)
    Hmungos, those giant hadrosaurs that roam across the plains of North America, form the nucleus of a complex web of symbiotic relationships, from the internal flukes that feed upon their blood to the plants whose seedpods attach themselves to the herbivores' gargantuan feet.  One of the most noticeable of the hmungo's many symbiotes is the hawk-sized hmungo-swoop.

    The hmungo-swoop (Agilifuga rufa) is one of the larger species of clade Agilifugiiformes, a group of non-passerine, Spec-endemic birds that occupy most of the high-speed-pursuit insectivorous niches in the New World.  Even among their kin, hmungo-swoops are particularly agile in the air, as they feed upon the swarms of flying insects that the hmungos' progress stirs up from the grass.  These birds highly social, banding together in closely-knit flocks as they herd flying insects into manageable clumps.  The hmungo-swoops, executing maneuvers of dazzling complexity, then proceed to snap up the clumps even as they break apart, inhaling insects like avian vacuum cleaners.

    Hmungo-swoops may be found across North America, but are most common in grasslands, where they follow the hmungo herds in their endless search for food.  Like most agilifugids, hmungo-swoops mate for life, and build their nests from mud, which they cement to the insides of hollow trees or other well-protected, vertical surfaces.  No call is known for this species, but studies suggest that they may make use of supersonics for communication

(Text by Daniel Bensen)
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