Oslo and Akershus's first Ringed Plover (sandlo) of the year. There were three on this rock and these are probably local breeding birds. Normally Ringed Plovers don't turn up before May and these are birds heading to the mountains to breed. However in recent years a small population of coastal breeding birds has established itself and these turn up 1-2 months earlier. As far as I know all these birds are regarded as the same subspecies but as they have such different breeding habitats and migration timings I suspect they represent two quite separate populations that may warrant subspecific recognition |
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