Proportion of blue tits to first attack the different offered

Found a Sick or Injured Bird RSPCA - RSPCA

Blue Tit: A Birdwatcher's Guide

Lockdown won't save the blue tit from mysterious bird infection

PDF) Shape of Evasive Prey Can Be an Important Cue That Triggers

PDF) Shape of Evasive Prey Can Be an Important Cue That Triggers

Johanna MAPPES, Professor, PhD

Pável MATOS-MARAVÍ, Researcher, PhD

Marianne ELIAS, Research Director, CNRS MNHN

Frontiers Shape of Evasive Prey Can Be an Important Cue That Triggers Learning in Avian Predators

Marianne ELIAS, Research Director, CNRS MNHN