A lizard-like reptile which survived the demise ... At the end of last year, the first tuatara hatchling emerged from its egg after an incubation period of 238 days, lovingly – if nervously ...

Egg-Laying Mammals: Living Fossils Among Us The monotremes—like the platypus and echidna—are living testaments to our ancient origins. These unusual mammals still lay eggs, echoing the ...

New findings add a surprising twist to the already complex mechanism that determines whether reptile embryos develop to be males or females. An egg-laying lizard found in the hills of southeastern ...

"Sometimes, closely related species show both behaviors, and it turns out that live-bearing lizards can flip back to laying eggs much more easily than had been assumed." "Also, when we look at ...

Evolution has been caught in the act, according to scientists who are decoding how a species of Australian lizard is abandoning egg-laying in favor of live birth.. Along the warm coastal lowlands ...

Durban — Twenty-seven Nile Monitor eggs laid by a lizard, which was found by a homeowner in Umlazi are currently being incubated in the South African Association for Marine Biological Research ...

It turns out that live-bearing lizards can flip back to laying eggs much more easily than had been assumed Professor Baoyu Jiang Project leader Professor Baoyu Jiang added: “This standard view ...

Lizard. The amniotic egg, showing the semipermeable shell and the extraembryonic membranes Michael Benton. Skeleton of a baby chorisodere, ... However, a fresh study of 51 fossil species and 29 living ...