Fluctuations in chick diet of the Squacco HeronArdeola ralloidesin southern France: changes over the last 30 years

Karine Delord, Yves Kayser, Damien Cohez, Silke Befeld, Heinz Hafner
2004 Bird Study  
doi:10.1080/00063650409461334 fatcat:da37jclhqvdljgnzoouzwhbwai