Data PolicyPublications | Institutes | Persons | Datasets | Projects | Maps | Infrastructure [ report an error in this record ]basket (0): add | show Shell-dropping: decision-making and optimal foraging in northwestern crowsZach, R. (1979). Shell-dropping: decision-making and optimal foraging in northwestern crows. Behaviour (Leiden) 68(1-2): 106-117 In: Behaviour (Leiden). Brill: Leiden. ISSN 0005-7959; e-ISSN 1568-539X, more Available in Author VLIZ: Open access 130547 [ download pdf ] Keyword Marine/Coastal Author Top Zach, R. All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy Top | Author