Garden bird enthusiasts might be surprised – shocked even – to discover the goings on in their own back gardens. Between the well-kept flowerbeds and over neatly-trimmed lawns, nesting garden birds flit to and fro, their endeavours to rear their young a shining example of what hard-working, faithful couples can achieve. Or so, until relatively recently, it was presumed.

Click on the link to read the rest of the article: Who’s the daddy? | BTO – British Trust for Ornithology