The weird tricks of the

Black heron. This black heron has a strange catch: it spreads its wings into a circle, looking like a reed on the water. Many small fishes think this is an interesting resort, and so they fall into the trap of this heron. (Photo: photographyoffice.com)

Black sea swallow. Black terns have a very dangerous way of hunting, they open their mouths and glide the lower jaws of underwater mines while flying at a speed of 40km / h to wait for small fish. (Photo: beachtreasuresandtreasurebeaches.com)

Parrot Island Antipodes. The parrot in addition to eating fruits and seeds, they also eat seagull meat. They search for food by digging the caves of seagulls and then kill them with their sharp beaks, before tearing them apart. (Photo: tumblr.com)

Fish owl. This owl is special because it preys on the water, mainly catching fish in rivers flowing through the forest or in the swamp. (Photo: geocaching.com)

Golden eagle. While other carnivorous birds often hunt smaller prey such as rabbits and ducks, the eagles choose large mammals as their hunting targets, usually sheep and wild goats. After stealing the prey does not show up, they toss the prey on the top of the mountain to kill, before eating meat. (Photo: firstpeople.us)

Japanese crow. Although not endowed with features that are suitable for eating nuts, this Japanese crow has devised a very clever way: they wait for the red light, drop nuts on the road. When cars insert, the nuts will break and they just need to wait for the next red light to get the food back. (Photo: alcedowildlife.com)

The eagle eats bats . The falcon eating bats that live in Central America and Mexico is small but is a fierce carnivore. They do not choose small birds but choose bats to make food. To catch bats, they are endowed with great adaptability to night observations. Catching a bat, they will bring it back to the nest, then carefully break the limb and eat the meat. (Photo: andeantrails.co.uk)

Ivory gulls . This gull species lives mainly on ice sheets in Russia and Canada. Due to the lack of adequate supply of food, they feed on seals and foxes, even the placenta of mammals. (Photo: listverse.com)

Birds eat colorful sea oysters . There is a red, hard, sharp beak, this bird can eat both mussels and oysters. (Photo: onthewingphotography.com)

Large black-backed gulls . This species has the size, ferocity and skill of a carnivore. Their food is ducks, gulls and seagulls. (Photo: thesmiletoneer.com)