Discover strange facts about corvids: crows, ravens, magpies, jays, jackdaws, and the bird family considered the most intelligent on the planet.

Crows really do remember faces - and hold grudges for years. Expert guide to the landmark research proving corvid facial recognition rivals primate cognition.

Discover why corvids - crows, ravens, magpies, and jays - are considered the most intelligent birds alive. Expert-written guide covering tool use, facial recognition, mirror self-awareness, planning, and the neuroscience behind corvid cognition.

Expert analysis of corvid intelligence covering tool manufacture, future planning, facial recognition, causal reasoning, analogical reasoning, and direct comparisons to primate cognitive benchmarks. Based on peer-reviewed research.

Everything about the common raven: size, range, intelligence, vocalisations, tool use, pair bonds, mythology, and the strange facts that make Corvus corax the largest and most cognitively advanced songbird on Earth.

Everything about the Eurasian magpie: size, habitat, diet, intelligence, mirror self-recognition, cache memory, funerals, and the strange facts that make Pica pica one of the smartest birds alive.

Everything about the New Caledonian crow: tool-making, cognition, hook-crafting from Pandanus leaves, chain-linked tool use, and the strange facts that make Corvus moneduloides the most sophisticated non-primate tool user on Earth.

Everything about the American crow: size, habitat, diet, intelligence, face recognition, cooperative breeding, West Nile virus impact, and the strange facts that make Corvus brachyrhynchos one of North America's most studied birds.