Swamp wallaby females can spend all of their adult lives in a permanent state of pregnancy, conceiving a new embryo while still carrying a near-term fetus.
Source: https://www.livescience.com/swamp-wallaby-always-pregnant.html
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Swamp wallaby females can spend all of their adult lives in a permanent state of pregnancy, conceiving a new embryo while still carrying a near-term fetus.
Source: https://www.livescience.com/swamp-wallaby-always-pregnant.html