When it comes to the sky, birds usually rule the air, but not always. There are powerful hunters out there that send even the boldest flocks into a panic. These aren’t just predators; they’re apex ...

Intro; Abstract; Acknowledgements; Contents; Chapter 1: How to Study Predator Recognition; 1.1 Observation in the Wild; 1.2 Experiments; 1.2.1 Experiments on Nests; 1.2.2 Experiments on Winter Feeders ...

Every autumn I get a few people asking “Where are my cardinals?” or “What happened to the birds this year?” This year has seen a sharp uptick in concern about lonely bird feeders. The emails and texts ...

Long before big cats, terror birds reigned as apex predators. Here’s how these flightless birds hunted, and why they went ...