Urban birds prefer native trees
Published 14 February 2023 Urban great tits prefer native trees for breeding (Photo: Caroline Isaksson) Small passerine birds, such as blue and great tits, avoid breeding in urban areas where there are many non-native trees. Chicks also weigh less the more non-native trees there are in the vicinity of the nest. This is shown in a long-term study by Johan Kjellberg Jensen, doctoral student Departme
https://www.becc.lu.se/article/urban-birds-prefer-native-trees - 2025-04-23