Sexual selection and sperm competition represent key forces shaping reproductive strategies and trait evolution across the animal kingdom. Sexual selection arises whenever individuals vary in mating ...

Birds exhibit a remarkable array of reproductive tactics that optimise parental investment and offspring survival across diverse environments. Key strategies encompass variation in clutch size, ...

Spring, Winner, Young Close-up Photographer of the Year 6; European Bee-eater in mid-flight with insect in its beak The Close-up Photographer of the Year organization (CUPOTY) has announced the ...

Nature is scary at all scales. Look no further than the winners of the Nature inFocus photography competition, whose winning photographs for 2024 were recently announced. Life of all sorts are ...

For a long time, cooperation in the animal world was viewed largely through the lens of competition's opposite: a useful alliance that helps two species gain something neither could achieve alone. Yet ...