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Interspecific feeding

Feeding between two separate animal species

Feeding between two separate animal species

Interspecific feeding refers to behaviour reported in wild animals, particularly birds where adults of one species feed the young of another species. This usually excludes the case of birds feeding brood parasites. The behaviour has been of theoretical interest since it appears to be provide little evolutionary benefit to the feeding bird.{{cite journal|journal=J. Field Ornithol.|volume=53|issue=4|pages=370–393|url=http://sora.unm.edu/sites/default/files/journals/jfo/v053n04/p0370-p0393.pdf

Such behaviour is also related to alloparenting, cross-fostering and brood adoption. Several situations have been suggested that lead to this including:

  1. Bird raised in a mixed clutch
  2. Original nest and brood of bird destroyed
  3. Nests in very close proximity
  4. Calling of young birds stimulates behaviour
  5. Orphaned birds adopted temporarily or permanently
  6. Male bird feeding another species while mate incubated
  7. Feeding bird is mateless and finds a mateless bird at nest

References

References

  1. (1991). "Interspecific feeding among some Oscines". Chat.
  2. Drozdz, R, M. Hromada, Pyotr Tryjanowski. (2004). "Interspecific feeding of a Great Grey Shrike (Lanius excubitor) fledgling by adult Yellowhammers (Emberiza citrinella)". Biological Letters.
  3. (1998). "Adopting adoption". Anim. Behav..
  4. (1998). "Adoption of yellow warbler nestlings by song sparrows". Wilson Bulletin.
  5. Southern, J.. (1952). "Spotted Flycatcher feeding nestling blackbirds". British Birds.
  6. Watson, J. W., M. Davison, and L. L. Leschner. (1993). "Bald Eagles rear Red-tailed Hawks". J. Raptor Res..
  7. Eddinger, CR. (1970). "The White-eye as an interspecific feeding helper". Condor.
  8. (2014). "A Case of a Three Species Mixed Brood after Two Interspecific Nest Takeovers". Ardea.
  9. Riedman, Marianne L.. (1982). "The Evolution of Alloparental Care and Adoption in Mammals and Birds". The Quarterly Review of Biology.
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