Climatologists predict the Northeast will continue to warm at a faster pace than the Southeast, potentially forcing slow migrators
to move even slower and put greater strain on their migratory routes.
As warmer springs have pushed short-distance migrators
toward earlier nesting times, cuckoos have fallen out of sync and are instead laying more eggs in the nests of fellow long-distance migrants such as reed warblers (SN: 10/9/10, p.
follow internal cues, which can be activated by seasonal changes in the photoperiod.
Beneath the surface of Northumberland's rivers, streams and estuaries there are other migrators
that are less well-known but still affected by environmental situations.
The full-back had been tipped to join the exodus of the game's top talents to rugby union, with former team-mate Anthony Sullivan and Welsh star Iestyn Harris two notable migrators
to the 15-a-man code.