By Victoria de Rijke
Read or Download Duck (Reaktion Books - Animal) PDF
Best zoology books
Comparisons are made up of the variations of invertebrates from polar deserts with these of temperate and subtropical deserts. those areas characterize probably the most antagonistic environments in the world and an array of concepts for survival has been built. Polar species are good tailored to chilly and event arid stipulations because of low precipitation and absence of liquid water through the wintry weather.
- Pheromones and animal behaviour
- Research Techniques in Animal Ecology
- Nature's Services: Societal Dependence On Natural Ecosystems
- Butterflies of North America
- Evolution That Anyone Can Understand
- Eyeblink Classical Conditioning: Volume 2: Animal Models
Extra resources for Duck (Reaktion Books - Animal)
Crafted decoys can be fold-up silhouette or shadow birds made of card, solid birds made from grasses or reeds, cork, plastic or wood or inﬂatable rubber, or stuffed dead birds. In 1911, during the mining of bat guano for fertilizer in a cave 22 miles south-west of Lovelock in the Humbult valley in west-central Nevada, a remarkable ﬁnd was made: numerous well-preserved Native American objects, amongst them eleven canvas-back decoys, over 1,000 years old. These were made of tule rush reeds bound together in duck shape and covered with the skin and feathers of the bird to add realism.
It is possible ducks can use sound-wave patterns (hearing super-low frequency sounds and calling continuously as they ﬂy to listen for the sound reﬂected from waves and other surfaces), learn established routes and landmarks, use the horizon, the seasons, elements of weather, light and shadow, the moon and sun cycle, the solar system (reading star patterns for direction), and through a combination of known methods and multiple backup systems, teach the young by training them in ﬂight with the more experienced.
Duck, on the other hand, shed all their wing feathers simultaneously, with the result that they become ﬂightless for several weeks. The susceptibility of some male duck to predation during this ﬂightless period is reduced by the fact that they typically moult out of their distinctive breeding colours and assume a drab appearance similar to the females and juveniles of their species. The feathering of wildfowl has other important characteristics particularly suited to the birds’ aquatic lifestyles.
Duck (Reaktion Books - Animal) by Victoria de Rijke