barred warbler, curruca nisoria, sylvia nisoria. a bird peeks out of a thicket of plants

barred warbler curruca nisoria sylvia bird avian songbird portrait spring singing birding eye wildlife small fauna ornithology green tree branch closeup european animal summer blossom background bloom environment garden outdoors wing cute adult beautiful colourful nature beak natural wild feather perched male song passerine plumage breeding chirp