Not sure whether your leopard gecko is male or female? Thankfully, determining the sex of one of the adorable little lizards ...

That could help alter the male-to-female ratio of baby turtles considerably. Allen, for one, finds the new developments reassuring. Sea turtles may be more resilient than once thought.

Titus was just 4 years old when poachers killed his father and several other close adults in his group. Despite the violence, ...

So to witness five tawny owls – two adults and three owlets – at close quarters on one night is an extraordinary spectacle ...

Butterflies (Papilionoidea) come in a remarkable variety of colors and patterns, from the orange-colored majesty of the ...

A new study in Nature shows that when pregnant mice don’t have enough iron, their (usually male) fetuses with a Y sex ...

Father’s Day is a good time to reflect on bullies.

A new study has found that just 22% of all artists booked to perform in Ibiza in recent months are female or non-binary.. The report, put together by Clubbing TV’s Laureline Teste, found that men made ...

CHICAGO — Small and stocky birds perch, hunched over, on the treetops and branches ... Nearby, another predator offers the birds some protection: American black bears Katai, a female, and a younger ...

The female is then of course the one to actually produce the egg(s). However, both males and females then share the egg incubation and chick-rearing duties. The sole exception is the emperor penguin; ...

To accommodate egg-laying, breeding females have a wider pelvic bone. Experienced handlers can learn to feel the differences between the male and female pelvic bones through a physical examination. 3.