… seasonal variation in avian malaria infection in a woodland population of blue tits Cyanistes
caeruleus L., … We report marked seasonal patterns of variation in infection that vary between …

… In the present study, we investigated the seasonal variation in the availability of antioxidants
… seasonal change in the availability of invertebrates in mixed oak woodland; (2) differences …

… Here, we describe this variation in a population of Eurasian Blue Tits Cyanistes caeruleus
roosting in nestboxes using data collected over 7 years. We investigate seasonal changes in …

… the seasonal colour change could serve as … we propose that the seasonal change indicated
here is responsible for most of difference in spectral peak position (h(R,,,,,)) between the …

… , we investigated seasonal variation in the duration of the nest building period, nest mass
and composition, Hen Flea abundance and egg production in Blue Tits Cyanistes caeruleus. …

… et charbonnière (Cyanistes caeruleus & Parus major) dans … (Cyanistes caeruleus) et de la
Mésange charbonnière (Parus … the Blue Tit (Cyanistes caeruleus) and Great Tit (Parus major) …

… In this experimental study of Blue Tits Cyanistes caeruleus, we used feeding frequency as
a proxy for parental effort, in order to assess seasonal variation in parental effort and its effects …

… The specific aims of this study were threefold: (1) to describe seasonal variation in several
variables reflecting the timing and duration of sleep; (2) to test whether factors such as local …

… [Seasonal and habitat variation in potential food base of insectivorous birds: consequences
for the breeding of the Great Tit Parus major and the Blue Tit Parus caeruleus.] Ph. D. …

… The gray band indicates the seasonal variation of photoperiod (daylight hours) in the study
area in central Spain. Filled dots and solid line, males; empty dots and dotted line, females. …