Birds exhibit a wide variety of fascinating nesting and offspring-rearing behaviors throughout their lifecycle. Against the odds, they protect and guide their young from hatching to leaving the nest ...

New study from the University of Sheffield, IoZ, and UCL found more than one in six bird eggs fail to hatch Hatching failure increases as species decline, so the new research could be used to predict ...

Forest plot of the mean effect size (hatching failure percentage) estimates and 95% confidence intervals for each factor level for six moderators: threat status, IUCN Red List classification, ...