A young Cuckoo(Cuculus canorus) begging food from it's host, a Reed Warbler (Acrocephalus scirpaceus)

---

Size: 5020px × 3605px
Location: ST. Ives, Cambridgeshire, England, United Kingdom.
Photo credit: © nigel Westwood / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: begging, brood, built, cuckoo, fed., fills, food, foster, fostering, gape, host., large, nest, orange-red, parasite, parasitic, parasitism, parent, reeds, reeds., young