Pelican
Pelicans are large water birds with a long beak and a throat pouch used to catch fish. They live in groups and often hunt together by driving fish into shallow water.
What is it?
Pelicans are large water birds in the family Pelecanidae. They have a long beak and a large throat pouch (called a gular pouch) that they use to scoop up fish and drain water before swallowing. They are found on all continents except Antarctica, usually near lakes, rivers, and coastlines. Pelicans are social birds that live in colonies and often hunt cooperatively by driving fish into shallow water.
How old?
Pelicans have been around for millions of years. Fossil pelicans date back to the Oligocene epoch, about 30 million years ago.
What was it like?
Pelicans are adapted for a life near water. Their webbed feet help them swim, and their pouch helps them catch fish efficiently. They are strong fliers and can soar long distances. Pelicans are social and communicate with each other through various calls and body movements.
Why does it matter?
Pelicans are important for their ecosystems as top predators of fish. They also help control fish populations. Their social behavior and cooperative hunting make them fascinating to study. Pelicans are also cultural symbols in many parts of the world, appearing in myths and art.
Connections
Next to find
- Find a pelican in a different habitat, like a coastal area.
- Look for other birds that use a gular pouch, like cormorants.
- Watch a video of pelicans hunting together to see their teamwork.
鹈鹕
鹈鹕是大型水鸟，有长喙和喉囊用来捕鱼。它们成群生活，经常通过把鱼赶到浅水区一起捕食。
这是什么？
鹈鹕是鹈鹕科的大型水鸟。它们有长喙和一个大喉囊（称为喉囊），用来舀起鱼并排水后吞下。它们分布于除南极洲外的所有大陆，通常在湖泊、河流和海岸线附近。鹈鹕是群居鸟类，生活在群落中，经常通过将鱼赶到浅水区合作捕食。
多大年龄？
鹈鹕已经存在了数百万年。鹈鹕化石可以追溯到渐新世，大约3000万年前。
它们是什么样的？
鹈鹕适应了水边的生活。它们的蹼足帮助游泳，喉囊帮助高效捕鱼。它们是强壮的飞行者，可以长距离翱翔。鹈鹕是群居的，通过各种叫声和身体动作相互交流。
为什么重要？
鹈鹕作为鱼类顶级捕食者，对其生态系统很重要。它们还有助于控制鱼类数量。它们的社会行为和合作捕食使它们成为迷人的研究对象。鹈鹕在世界许多地方也是文化象征，出现在神话和艺术中。
关联
接下来找找看
- 在另一种栖息地找到鹈鹕，比如沿海地区。
- 寻找其他使用喉囊的鸟类，比如鸬鹚。
- 观看鹈鹕一起捕食的视频，看看它们的团队合作。