Great and blue tit laying dates vary with fine-scale variation in local tree composition but not tree budburst
Authors (first, second and last of 4)

The Journal of Ornithology (formerly Journal für Ornithologie) is the official journal of the German Ornithologists' Society (http://www.do-g.de/ ) and has been the Society´s periodical since 1853, making it the oldest still existing ornithological journal worldwide.
It publishes original papers, reviews, short notes, technical notes, and commentaries dealing with all aspects of ornithology.
As a result of the significant disruption that is being caused by the COVID-19 pandemic we are very aware that many researchers will have difficulty in meeting the timelines associated with our peer review process during normal times. Please do let us know if you need additional time. Our systems will continue to remind you of the original timelines but we intend to be highly flexible at this time.