Here’s an example of Hocket’s design feature interchangeabiliy – only male crickets chirp. Slo-mo Cricket Chirps Reveal Secret Seranades discusses the chirp patterns of different species of crickets. Overall, NPR’s Wild Sounds series is pretty interesting.
And, monkeys lie: White Face Capuchin lies
Here, crows crack nuts: Wild crows in the city; Here, a crow makes a tool: Tool-making crow; And crows teach each other to recognize danger: Crows recognize faces