{"fact":"New Caledonian crows, unlike Eurasian jays, show consistent delayed gratification, sticking with their choice of a better reward even when others are around.","context":"Specifically, jays were more likely to select the immediate, low-quality reward than crows. Jays, though not crows, were also more likely to alter their choices while alone compared with when a competitor or a non-competitor was present.","source":"Rachael Miller; James R. Davies; Martina Schiestl; Elias Garcia-Pelegrin; Russell D. Gray; Alex H. Taylor; Nicola S. Clayton, Social influences on delayed gratification in New Caledonian crows and Eurasian jays, 10.1371/journal.pone.0289197","index":403}