image: Mama's boys are not always losers. In spotted hyenas, the key to success for a young male is the number of young females present in the clan when he chooses his breeding clan because young ...

Mama's boys are not always losers. In spotted hyenas, the key to success for a young male is the number of young females present in the clan when he chooses his breeding clan because young females are ...

Find out how to choose a dog breed that matches your daily routine, personality, and home. Discover the perfect dog that ...

Cooperative breeding is a system where helper individuals care for breeding individuals' offspring. As a result, social environment is likely to play a key role in regulating reproductive success. In ...