It is likely that this strange nesting behaviour evolved to reduce the numbers of ectoparasites that feasted on the defenseless nestlings.
Thanks so much for all the videos, stories and photos you've sent in to our quest to find Britain's strangest nesting site.
In addition, the mutant pups weren't able to discriminate between moms--when given a choice between their own place or a strange mom's nest, all of the normal pups chose their own place.
And yet this strange migratory bird nested within our republic has flourished here.
The Pheasant Cuckoo first was suspected to be brood parasitic by von Ihering (1914a, 1914b), who reported on a strange egg in a nest of the Black-backed Water-Tyrant (Fluvicola albiventer) collected in November 1913 in Bahia, Brazil.
Oystercatchers have no strong territorial behaviour at the nest, often tolerating strange birds nearby, but they may return to the same spot with the same mate in successive years.
Sometimes there were strange, blue-and-yellow birds nesting in the bushes that had burst out of the old brickwork, and on a mud bank just after the bridge that carried the ring road there were always geese and ducks.
They flock in large numbers to help protect each other from predators, which they cannot do when trying to race back to their life mates and nests from a strange place hundreds of miles from home.
Many of these fishes exhibit strange and fascinating behaviour such as nest building, oral incubation, egg laying in mollusk shells, walking and flying, air breathing, production of sound and electricity, and communication by chemical secretions.
Brian Etheridge, of RSPB Scotland, added: " Over the years we've found many strange and interesting things in the nest of red kites.
