Frogs can distinguish between low numbers (1 vs 2, 2 vs 3, but not 3 vs 4) and large numbers (3 vs 6, 4 vs 8, but not 4 vs 6) of prey.
fɹˈɑːɡz kæn dɪstˈɪŋɡwɪʃ bᵻtwˌiːn lˈoʊ nˈʌmbɚz wˈʌn vˌiːˈɛs tˈuː, tˈuː vˌiːˈɛs θɹˈiː, bˌʌt nˌɑːt θɹˈiː vˌiːˈɛs fˈoːɹ ænd lˈɑːɹdʒ nˈʌmbɚz θɹˈiː vˌiːˈɛs sˈɪks, fˈoːɹ vˌiːˈɛs ˈeɪt, bˌʌt nˌɑːt fˈoːɹ vˌiːˈɛs sˈɪks ʌv pɹˈeɪ.