鳥類

1. Origins, structure, and basic meaning

• Structure: 鳥類 is read ちょうるい and refers to birds as an animal group.
• Basic usage: It is used for museum specimens or explanations of how beak shapes vary with diet.

2. Common pitfalls and similar expressions

• Register compared with 鳥
  • 鳥(とり) is the everyday word for a bird. 鳥類 suits descriptions or observations treating birds as a classification group.