Sustainable Swine Nutrition by Lee I. Chiba

Mammal Teeth

During this special booklet, Peter S. Ungar tells the tale of mammalian the teeth from their foundation via their evolution to their present range. Mammal the teeth lines the evolutionary heritage of the teeth, starting with the first actual mineralized vertebrate constructions part one thousand million years in the past. Ungar describes how the easy conical enamel of early vertebrates turned the molars, incisors, and different kinds we see in mammals this day.

The House of Owls

For 1 / 4 of a century, Tony Angell and his relatives shared the awesome event of heavily gazing pairs of western screech owls that occupied a nesting field open air the window in their woodland domestic. The journals within which the writer recorded his observations, and the attractive drawings he created, shape the guts of this compelling book—a own account of an artist-naturalist’s existence with owls.

One Wild Bird at a Time: Portraits of Individual Lives

The acclaimed scientist's encounters with individual wild birds, yielding “marvelous, mind-altering” (Los Angeles Times) insights and discoveries In his smooth classics One Man’s Owl and brain of the Raven, Bernd Heinrich has written memorably approximately his relationships with wild ravens and an excellent horned owl.

Social Behavior of Female Vertebrates

Social habit of woman Vertebrates makes a speciality of the evolution of reproductive habit in woman vertebrates starting from fish to birds and people, together with problems with mate selection and different elements underlying girl attitudes towards men. It additionally seems on the evolution of mating structures; the co-evolution of the sexes; sex-role reversal; reproductive festival among ladies; maternal habit; and the way adult females improve the funding bought by means of their offspring from others.