In case you were wondering, this is an article about the warm-weather comeback of a popular species of passerine bird, and not an in-depth study about spring's effect on rate of cleavage exposure. Since this amusingly suggestive headline ran on March 31, we're pretty sure it wasn't an April Fool's joke, but considering it came from the infamous UK paper The Sun, it's more likely the result of a breast-obsessed editorial department.