Submitted by Whats-Upvote t3_11cjb1s in Showerthoughts
HarryBaughl t1_ja44q78 wrote
Reply to comment by FooBarU2 in For birds all sex is anal sex. by Whats-Upvote
We talking about marsupial kangaroos or mammal kangaroos?
damned_truths t1_ja4hv47 wrote
Marsupials are a strict subset of mammals, so yes.
HarryBaughl t1_ja4om09 wrote
Huh. Learn something new everyday.
FooBarU2 t1_ja4qnxl wrote
FYI, and as I am sure you know, mammals that have the dual plumbing ports (for liquid and solids... #1 and #2 respectively LOL) are called placental mammals.
And marsupial is the other referenced my my post along with odd monotremes which are how duck billed platypuses are categorized.
HarryBaughl t1_ja506ov wrote
Interesting. I always thought that mammals and marsupials were different because of the lack of mammaries.
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