Скажите, пожалуйста, есть ли ошибки в англоязычном тексте.

Здравствуйте, проверьте, пожалуйста, на наличие ошибок данные отрывки из текста, на ошибки можно не указывать, просто скажите, есть ли и насколько много, таковых. Тексты, кстати, взяты с англоязычного сайта. но мне кажется, что написано как- то коряво.

The birds of Paradise can only be found in New Guinea. The brilliant colors and the long ornamental feathers of these birds are worldwide known. They were excessively hunted down for their plumes, and this had great effects on their breeding behavior.

This is without a doubt one of the most beautiful birds in the world. Some name it the most beautiful. The rainbow lorikeet deserve its name: the colors of the rainbow are all present in the plumage of this Australian bird. Mother Nature is an extremely skillful painter and we cannot but enjoy its works of art!

This strange looking fellow is considered by many one of the most beautiful birds in the world. This is most probably because of its enormous, colorful bill. It also owns a pair of blue feet, some red feather tips and a yellow chest that complete the color scheme of the keel-billed toucan.