Ina SatokangasIn #sympatry, as in Finland, the πππ #hybridise extensively and form a mosaic #hybrid #zone: #admixed populations (β¦οΈ) alternate in space with non-admixed pops (π’&π ) with different climatic adaptations. The β¦οΈ occupy warmer nest sites than their cold-adapted parent (π’)! 2/5