It’s a good question, and as with many things in nature, the answer is “It depends”. There are a lot of factors that determine when birds start nesting. These include the weather, the species of bird, the age of the individual bird, how long the bird takes to build its nest and how long chicks take to fledge.
Birds do it, bees do it, even educated fleas do it. But hang on a minute, exactly how do birds mate? Well, most birds do things a bit differently from us humans. In most songbirds, even the equipment is different and uniquely adapted to the needs of the species. Like everything in nature, it’s fascinating stuff. Let’s take a closer look