Mean tarsus length and mean body mass of 15-day blue tits

Blue tit mean tarsus length of first time breeding immigrants in

Local recovery rate of blue tit £edglings in the next breeding

Effects of competition and predation operating at individual and

Glossary of bird terms - Wikipedia

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A Blue Tit diary BTO - British Trust for Ornithology

Within-brood body size and immunological differences in Blue Tit

Urbanisation weakens selection on the timing of breeding and

body mass, tarsus length and body mass corrected for tarsus length