... Killer whale attacks seal https://www.youtube.com/watch?v=XvJ8ujulLg8 aquatic mammals and semi-aquatic mammals, with maybe one or two exceptions are...
60701
christianeng...
May 17, 2013 1:13 pm
... Ain't that because most of these descend from what was original land carnivores? The feeding ethology from land is generally transferred into the water. ...
60702
Francesca Mansfield
fceska_gr
May 17, 2013 1:40 pm
Some additional thoughts: Cetaceans form two distinct groups: baleen and toothed. I've heard a theory that the baleen whales may have descended from herbivores...
60703
dons3148
May 17, 2013 2:56 pm
... That seems to be the case, the difference between toothed and baleen is the latter are filter feeders, using the mouth to filter out of water small prey...
60704
dons3148
May 17, 2013 3:55 pm
... Baleen whales... The difference is they are filter feeders, they swim with the mouth open filtering out small prey from the water. While their toothed kin,...
60705
Heather Twist
heathertwist2
May 17, 2013 4:25 pm
On Fri, May 17, 2013 at 6:40 AM, Francesca Mansfield < ... Seems like fish and molluscs are in a 3rd category, digestion-speaking. A number of birds, ducks for...
60706
Marc Verhaegen
aquape
May 17, 2013 9:58 pm
The genomics of selection in dogs and the parallel evolution between dogs and humans Guo-dong Wang cs 2013 Nature Communications doi 10.1038/ncomms2814 The...
60707
Marc Verhaegen
aquape
May 17, 2013 10:07 pm
Seems like fish and molluscs are in a 3rd category, digestion-speaking. A number of birds, ducks for instance, or songbirds, will eat snails or fish, but can't...
60708
terry
terry.turner...
May 18, 2013 10:24 am
Thank you, Re: Killer whale attacks seal. As threats to longterm survivability go, predation should be far down the list. Lions, crocodiles, and killer whales...
60709
Marc Verhaegen
aquape
May 18, 2013 6:22 pm
Genome-wide data substantiate Holocene gene flow from India to Australia Irina Pugach, Frederick Delfin, Ellen Gunnarsdóttir, Manfred Kayser & Mark Stoneking...
60710
Marc Verhaegen
aquape
May 19, 2013 7:21 am
"Childbirth and the Future of Homo sapiens", the latest book by Michel Odent, is now available on amazon (paperback and kindle), pinterandmartin.com, serious...
60711
Marc Verhaegen
aquape
May 19, 2013 7:44 am
MA Wooley, Jan te Nijenhuis & Reagan Murphy 2013 Were the Victorians cleverer than us? The decline in general intelligence estimated from a meta-analysis of...
60712
Heather Twist
heathertwist2
May 19, 2013 8:33 am
Well, when I was pregnant, my hormones went nuts and that is in fact all I wanted to read! I even started knitting! Biology is the pits. Fortunately I had read...
60713
christianeng...
May 19, 2013 2:36 pm
As I recall, adult Neanderthals by average had larger cranial cavities than extant Homo sapiens. Something like 1400cc in Hn versus 1300c in Hs, on roughly the...
60714
Marc Verhaegen
aquape
May 19, 2013 4:33 pm
A lot can be said about this, Chris: * Cranial cavities are air sinuses etc. Sinus size generally: Hn>Hs>He. * Probably you mean brain size? Hn>Hs>>He...
60715
Marc Verhaegen
aquape
May 19, 2013 7:14 pm
New discovery of ancient diet shatters conventional ideas of how agriculture emerged Archaeologists have made a discovery in subtropical S-China which could ...
60716
Cecile MacNeille
c_tamang
May 20, 2013 4:10 am
it certainly appears that nutrition during the critical years of development have implications in adult pelvic geometry, and as you note the effects of poor...
60717
Rob Dudman
rob_dudman
May 20, 2013 4:27 am
Hello Bill...... ... Thanks for the link....not a mention of the CMAH mutation and Neu5Ac being a neural nutrient for the brain. Yes there is a conundrum, but...
60718
Heather Twist
heathertwist2
May 20, 2013 5:39 am
There is an interesting thing about neu5ac vs neu5gc. In animals that have both, the gc version is associated with high-turnover cells, like those lining the...
60719
Heather Twist
heathertwist2
May 20, 2013 5:43 am
One other note about hips: another factor in our culture has to do with age at first childbearing. I was told with my goats, that you have to breed them in the...
60720
Marc Verhaegen
aquape
May 20, 2013 12:35 pm
Algis, we discussed this many many times, just google "econiche Homo": endurance running erectus is fantasy. H.sapiens recently (<200ka) developed running *in...
60721
Marc Verhaegen
aquape
May 20, 2013 12:45 pm
No, Algis: hip-knee-ankle on 1 line = heavy creatures standing or wading bipedally regularly. But not running: in that case they had had less wide bodies, less...
60722
Rob Dudman
rob_dudman
May 21, 2013 4:17 am
Hello Heather.....thanks for the info. Very interesting. Rob. ... From: AAT@yahoogroups.com [mailto:AAT@yahoogroups.com] On Behalf Of Heather Twist Sent:...
60723
Marc Verhaegen
aquape
May 21, 2013 9:27 pm
Thanks, DD! --marc ANTHROPOLOGICAL SCIENCE 116:171¡V181 Variability in stable isotope ratios in two Late-Final Jomon communities in the Tokai coastal region...
60724
Marc Verhaegen
aquape
May 21, 2013 10:06 pm
From DD: http://ethiohelix.blogspot.com/2013/05/development-of-middle-stone-age.html sea level changes? Namib kudu/bowl boats? [Non-text portions of this...
60725
Heather Twist
heathertwist2
May 22, 2013 12:35 am
Maybe if they spent more time indoors in caves, they had more time to decorate them? The Aborigines did a lot of art, on bark. But then just left them around, ...
60726
Francesca Mansfield
fceska_gr
May 22, 2013 4:16 pm
Just saw this: Iodine deficiency 'may lower UK children's IQ' http://www.bbc.co.uk/news/health-22607161 Francesca...
60727
Marc Verhaegen
aquape
10:16 am
Obituary François Jacob (19202013) Michel Morange Nature 497:440 doi 10.1038/497440a French freedom fighter who helped to uncover how genes are regulated....
60728
Marc Verhaegen
aquape
10:51 am
Barium distributions in teeth reveal early-life dietary transitions in primates Christine Austin, Tanya M Smith, Asa Bradman, Katie Hinde, Renaud ...
60729
Marc Verhaegen
aquape
11:07 am
Infant tooth reveals Neanderthal breastfeeding habits. Chemicals in primate teeth reveal transition to solid food. Sid Perkins 2013 By measuring the relative...
