Orcasphere

Using next generation sequencing to generate whole mitochondrial genomes for population genetics and phylogeography of cetaceans Dr. Phillip Morin, Protected Resources Division, Southwest Fisheries Science Center Abstract and bio Live blog notes: Hoelzel et al 2002 found extremely low genetic diversity in control region (1000 base pairs): only 13 haplotypes from 100 samples from global [...]

Here is a great close-up of the teeth of an offshore killer whale from Rachael Griffin’s blog.  Can you imagine the orca-shark battles and chewing that might have caused such incredible wear on so many huge teeth?!