Ava, a wallaby at the Cincinnati Zoo, had a surprise in store: a baby joey inside her pouch. This came as a shock to her caretakers because Ava has not bred since she came to the Cincinnati Zoo ...

An ultrasound image of a swamp wallaby embryo at day 15 of gestation. ... based on size alone. During the study, two female wallabies lost their fetuses late in pregnancy, ...

Swamp wallabies conceive new embryo before birth -- a unique reproductive strategy Date: March 2, 2020 Source: Forschungsverbund Berlin Summary: Reproduction specialists recently demonstrated that ...

March 4 (UPI) --The female swamp wallaby, native to eastern Australia, is the only mammal that remains pregnant for the entirety of adulthood, according to a new study. Like kangaroos, wallabies ...

Swamp wallaby females can spend all of their adult lives in a permanent state of pregnancy, conceiving a new embryo while still carrying ... 1,400-year-old temple ruins the size of a city block ...

Researchers show that female swamp wallabies ovulate, mate, and form a new embryo prepartum, while continuously supporting conceptuses and young at different development stages before and after birth.

CINCINNATI — The Cincinnati Zoo is welcoming another bouncing bundle of joey to its growing family of wallabies. A baby Bennett's Wallaby, also known as a joey, is expected to emerge from his ...

The wallaby care team at the zoo has recently seen the joey wiggling around in Ava's pouch, as you can see in the video player above. Zoo officials said the new joey has just opened its eyes and ...

This means that a pregnant swamp wallaby, days away from delivering a fetus in one uterus, can ovulate, mate and develop a newly fertilized embryo in her second uterus.