Avian Navigation: Pigeon Homing as a Paradigm - download pdf or read online

By Hans G. Wallraff

ISBN-10: 3540223851

ISBN-13: 9783540223856

ISBN-10: 3540264329

ISBN-13: 9783540264323

How migratory birds can navigate domestic from their wintering grounds to their breeding websites over enormous quantities and hundreds of thousands of kilometres has been an widespread secret over greater than a century. Profound advances in the direction of an answer of this challenge were completed with a version fowl, the homing pigeon. This monograph summarizes our present wisdom approximately pigeon homing, in regards to the birds' program of a sunlight compass and a magnetic compass, of a visible topographical map inside a well-known region and -- such a lot unusually -- of an olfactory map utilizing atmospheric chemosignals as symptoms of place in far-off strange areas.

Show description

Read Online or Download Avian Navigation: Pigeon Homing as a Paradigm PDF

Similar zoology books

Pattern and Process in MacroEcology - download pdf or read online

A textbook aiming to advertise an knowing of why macroecology is necessary to ecological learn regularly. It addresses the constitution of local ecological groups and the impression they've got on the neighborhood point, reviewing and synthesizing the $64000 matters in macroecology. Softcover. DLC: Ecology.

Read e-book online Zoontologies: The Question Of The Animal PDF

These nonhuman beings known as animals pose philosophical and moral questions that visit the basis not only of what we predict yet of who we're. Their presence asks: what occurs whilst the opposite can not properly be assumed to be human? This assortment bargains a suite of incitements and coordinates for exploring how those matters were represented in modern tradition and idea, from Jurassic Park and the "horse whisperer" Monty Roberts, to the paintings of artists equivalent to Joseph Beuys and William Wegman; from foundational texts at the animal within the works of Heidegger and Freud, to the postmodern rethinking of ethics and animals in figures reminiscent of Singer, Deleuze, Lyotard, and Levinas; from the recent York instances research of a North Carolina slaughterhouse, to the 1st visual appeal in any language of Jacques Derrida's contemporary particular critique of Lacan's rendering of the human/animal divide.

Extra resources for Avian Navigation: Pigeon Homing as a Paradigm

Example text

Even if the released bird finally flies away, its vanishing bearing may be influenced by the initial detour it has made. Such observations and impressions cannot be evaluated as quantitative data. At some sites, however, outstanding modes of bearing distributions in the directions of neighbouring villages strongly suggest attraction of these villages (Sect. 2; Kiepenheuer 1993). 4 Accuracy of Homeward Orientation 45 n Fig. 21. Influence of human settlements (filled symbols) and wooded areas (open symbols) on vanishing bearings of pigeons released at 28 sites around their loft near Würzburg.

Heavy line shows means ± three-fold mean error of experience classes as indicated by Roman numerals; dashed line shows corresponding means with non-returners omitted. Insert gives percentages of birds per performance class for experience levels I–V. Data from 18 release sites: 8% from five sites about 11 km distant, 70% from eight sites at ca. 22 km, and 22% from five sites at ca. 44 km from the home loft in Wilhelmshaven, Germany. 2 Directions of Previous Homing Flights Spatio-temporally, experience gained during homing flights always includes an element of asymmetry.

In either case, the level of performance is correlated with ambient temperature. It should also be mentioned, however, that over longer distances Germany appears to be more advantageous for homing than Italy, probably due to other reasons (Sect. 4). Regional differences among various countries and continents have also been found in homing of more or less experienced pigeons (Fig. 4; Wiltschko et al. 1987d). As kind and degree of experience, keeping conditions, landscape characters and pigeon strains were also variable, however, the causes linked with geography cannot always be clearly separated from possible other causes.

Download PDF sample

Avian Navigation: Pigeon Homing as a Paradigm by Hans G. Wallraff


by Anthony
4.2

Rated 4.36 of 5 – based on 23 votes