TY - BOOK ID - 128731470 TI - The ontogeny of an instinct : the pecking response in chicks of the laughing gull (Larus Atricilla L.) and related species PY - 1967 PB - Leiden : Brill, DB - UniCat KW - Laughing gull. KW - Birds KW - Instinct. KW - Behavior. UR - https://www.unicat.be/uniCat?func=search&query=sysid:128731470 AB - ER -