For example, monogamous male birds have smaller testes than polygamous species since there is less competition. This benefits them since large testes increase body mass and require more energy for ...

Several Republican lawmakers introduced legislation to clarify that the terms “male,” “female,” and “sex,” among others, refer to the biological distinctions between men and women when ...

Female reindeer grow antlers that are significantly smaller than their male counterparts. Male reindeer grow antlers as long as 50 inches after multiple seasons of shedding. Females grow 20-inch ...

Read along to learn how new generations of birds grace the globe each year. Male birds produce sperm, which they must deliver to a female to fertilize her eggs. Sperm is produced in two testes that ...

1 print : etching, aquatint ; plate mark 20 x 21 cm, on sheet 30 x 29 cm ...

A total of 46.29 lakh more female votes were cast in the 2024 Assembly elections as compared to the election in 2019. Similarly, 45.26 lakh more male votes were cast in this year’s elections.

That’s what makes flu a life-long threat to humans and the animal species — mainly birds — that are vulnerable to it.

Other species spotted on Saturday included a caracara, a great horned owl, and a loggerhead shrike, also known as a “butcher bird,” for its practice of impaling its prey on thorns or barbed wire to ...

My friend’s recipe, which she refers to as “magical bird butter” is as follows: I buy my suet from a local butcher and render it down in a Crock-pot, measuring out 2-cup portions and placing ...