Why do roosters crow in the morning?

It's their mating call. Roosters crow to attract females. They crow when the light is dim - early morning and just before dark - so their enemies are less likely to see them.

Azargan tahia yagaad ugluu ert dongoddog ve?

Ene tednii uulzah dohio yum. Azargan tahia dongodoj em tahianuudaa uurtuu tatdag . Ted dunguj gerel garch ireh buyu uur tsaij ehlehed dongodoj eheldeg buguud ene ued daisnuud ni tedniig barag l hardaggui baina.