Researchers found that the presence of hawks keeps Mexican jays away from black-chinned hummingbirds' nests. The small hummingbirds fly under the hawks' radar, while the jays have to fly higher to avoid being eaten.
Much like people living in packed cities, it may be now that animals of prey in Africa have a smaller number of offspring when living in crowded conditions. Turns out, this is affecting lions and other predators.
You have already subscribed. Thank you.