Robert Urbanek
Platinum Member
The pro-choice position that the fetus is a blank slate, with no feelings or thoughts until birth, may be challenged by bird studies that show the unborn can listen and learn.
In āPecking Orderā by Rivka Galchen in the October 21 issue of The New Yorker, we discover that tiny fairy wrens communicate with their young who are still in the eggs. āThe mothers in nests were producing an incubation callāa call to the eggs,ā said bird ecologist Sonia Kleindorfer. After birth, each chickās ābegging callā matched an element from the incubation call.
Per the author: This suggested, startlingly, that birds learn a literal mother tongue while still in ovo. (Humans do this, too; French and German babies have distinct cries.) Even āfosterā chicks, who as eggs were physically moved from one nest to another, learned begging calls from their foster mothers, rather than from their genetic mothers.
The mother-to-unborn communication was even more remarkable considering that the fairy wren egg is smaller than a thumbnail and songbird embryos do not have well-developed ears. Can we continue to dismiss the much larger human fetus as being just a bunch of cells with no feelings, thoughts, or capacity to absorb information from the outside world?
How Scientists Started to Decode Birdsong
In āPecking Orderā by Rivka Galchen in the October 21 issue of The New Yorker, we discover that tiny fairy wrens communicate with their young who are still in the eggs. āThe mothers in nests were producing an incubation callāa call to the eggs,ā said bird ecologist Sonia Kleindorfer. After birth, each chickās ābegging callā matched an element from the incubation call.
Per the author: This suggested, startlingly, that birds learn a literal mother tongue while still in ovo. (Humans do this, too; French and German babies have distinct cries.) Even āfosterā chicks, who as eggs were physically moved from one nest to another, learned begging calls from their foster mothers, rather than from their genetic mothers.
The mother-to-unborn communication was even more remarkable considering that the fairy wren egg is smaller than a thumbnail and songbird embryos do not have well-developed ears. Can we continue to dismiss the much larger human fetus as being just a bunch of cells with no feelings, thoughts, or capacity to absorb information from the outside world?
How Scientists Started to Decode Birdsong