Percentage of late-hatched birds among first-year Great Tits in the

Global warming causing great tit birds to hatch a month earlier - EHN

Inter-annual variation of physiological traits between urban and forest great tits - ScienceDirect

Extreme temperature drop alters hatching delay, reproductive success, and physiological condition in great tits

Julia BOJARINOVA, Saint Petersburg State University, Saint Petersburg, SPBU, Faculty of Biology

The Tit Family Of Birds, Find Out More About Wild Bird Tit

Blue Tit - where they live, food, nesting and other facts - Garden Birds

Late-Hatched Great Tits Parus major: How Do They Contribute to the Next Year Breeding Population?

Why it's all or nothing for blue tits in spring

Nest characteristics and composition of the colonial nesting Azure-winged magpie Cyanopica cyanus in South Korea [PeerJ]

A wing and a prayer: how birds are coping with the climate crisis, Birds