Swift lousefly (Craeterina pallida), a blood sucking parasite unique to swift nests, on a Swift chick (Apus apus) found in a nest box, UK

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Swift lousefly (Craeterina pallida), a blood sucking parasite unique to swift nests, on a Swift chick (Apus apus) removed briefly from a nest box for ringing, Worlington, Suffolk, UK, July. Model released.

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Size: 4268px × 2845px
Location: Worlington, United Kingdom
Photo credit: © Nick Upton / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: apodidae, apus, birds, biting, blood, british, brown, chick, chicks, close, common, craeterina, diptera, england, europe, flies, flightless, fly, hippoboscid, hippoboscidae, invertebrates, juveniles, kingdom, lousefly, macro, pallida, parasite, parasites, parasitic, passerines, sucking, summer, swift, swifts, uk, united, ups, vertebrates, wildlife