Birds singing also has grammar!

This conclusion was made by psychologist Tim Gentner of the University of California at San Diego after going through 15,000 tests to know the secret hidden in the language of birds.

Research that makes judgments can find simple grammatical points and language skills in birds' songs. For example, the starling bird can learn to distinguish between a normal "song" and a "song" that contains clauses or other somewhat long chirping. They can distinguish the recursive structure of the language, the ability to put a group of words in between sentences.

However, complex sentences contain explanatory clauses that humans can accept but for animals, on the contrary, they are not yet able to recognize.

The voices of animals in general and birds in particular will become the key for researchers to explore language skills and, importantly, the basic grammar problem of animals in the future.