conservation

Tag archives for conservation

The first crane and the last crane

The first crane I ever saw is a bird burned permanently in my memory. It came out of nowhere and flew close by, staying in view lit by a nearly setting sun for about five wing beats. A gun was raised to shoot it but the trigger was not pulled.

What rights should be afforded non-human animals, to which animals, under what circumstances, and why? What are the criteria for such decisions? What should those who disagree with the status quo do?

The Lone Loon Fallacy

And now, for another installment in our series: How The Loon Terns, an exercise in skeptical thinking using Loons as a waterbird touchstone. (In case you missed it, the previous installment was here.)

Frog The Major Histocampatibility Complex (MHC) is an adaptive feature of the immune system that probably evolved in basal tetrapods. The MHC is genetically diverse in most populations, so the pattern of genetic variation of the MHC is probably behind the pattern of morbidity and mortality when a population is challenged with a given pathogen.…