Blackcap (Sylvia atricapilla) adult male nuzzling a Marsh Tit (Poecile palustris) at the pond, June, France

bryophyta parus palustris poecile palustris sylvia atricapilla spring adult posing shout competition rivalry inter specific threat reflection moss biodiversity pair one on one marsh tit poecile palustris bank rive sylvia blackcap sylvia atricapilla puddle least concern june water surface poecile aggression call nobody several species adults posed pose settlings settling shouts shouting exclaims exclaim exclaiming competitor competitors compete competing competitions rivalry competitions rivalries inter specific threats threatening threaten threatened reflections mirror image reflected reflecting mosses biodiversities biological diversity biological diversities duet pairs duets 2 two face to face marsh tits eurasian marsh tit eurasian marsh tit water edge banks rive water edges blackcaps sylvia atricapilla puddles least concern species water surfaces watersurface watersurfaces aggression calls with nobody different species temperate season seasons atmosphere stage of development individual vocal communication sound communication communicate social behaviour behavior relation between species species light effect bryophyte flora environment enumeration shot tit passerine bird wild animal freshwater wetland area area sylviidae passeriformes aves tetrapoda vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota warbler fauvette artificial wetland area low risk iucn) lr iucn red list of threatened species water matter matter substance paridae call