✦ LIBER ✦

On a Wing and a Vector: a Model for Magnetic Navigation by Homing Pigeons

✍ Scribed by Michael M. Walker

Publisher: Elsevier Science
Year: 1998
Tongue: English
Weight: 381 KB
Volume: 192
Category: Article
ISSN: 0022-5193
DOI: 10.1006/jtbi.1998.0653

No coin nor oath required. For personal study only.

✦ Synopsis

The ability of pigeons to home directly from distant, unfamiliar release sites has defied explanation because it has been impossible to identify the mechanism by which the birds determine their current position relative to their home loft. A variety of magnetic effects on homing orientation have implicated magnetic total intensity in position determination but no testable models for magnetic navigation by homing pigeons have resulted. Here, a vector summation model is proposed which identifies a novel coordinate that pigeons could use with magnetic total intensity to determine position. The model makes predictions about the accuracy of homing and patterns of homing orientation over local and regional scales. The model requires no unusual computational or cognitive abilities. It is, however, consistent with a significant volume of pigeon homing data and can be tested in a variety of ways.Copyright 1998 Academic Press Limited

📜 SIMILAR VOLUMES

A Mathematical Expectation Model for Bir

A Mathematical Expectation Model for Bird Navigation based on the Clock-and-Compass Strategy

✍ HENRIK MOURITSEN; OLE MOURITSEN 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 179 KB

We present here a mathematical formula for the directional distribution of migratory birds if they use a vector navigation/clock-and-compass strategy to "nd their winter quarters. It is based on mathematical expectation theory and shows that a simple parabola can describe the expected geographical s

On the symmetric Anderson model for a ma

On the symmetric Anderson model for a magnetic impurity and on Mattis' model

✍ Hellmut Keiter; Alba Theumann 📂 Article 📅 1972 🏛 Elsevier Science 🌐 English ⚖ 270 KB

A predictive model for pressure fluctuat

A predictive model for pressure fluctuations on sloping channels using support vector machine

✍ Aytac Guven 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 174 KB

Complementary 2-D finite element procedu

Complementary 2-D finite element procedures for the magnetic field analysis using a vector hysteresis model

✍ L. R. Dupré; R. Van Keer; J. A. A. Melkebeek 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 168 KB 👁 2 views

The main purpose of this paper is to incorporate a reÿned hysteresis model, viz., a vector Preisach model, in 2-D magnetic ÿeld computations. Two complementary formulations, based either on the scalar or on the vector potential, are considered. The governing Maxwell equations are rewritten in a suit

Shortest way home: one mayor's challenge and a model for America's future

✍ Buttigieg, Pete 📂 Fiction 📅 2019 🏛 Liveright Publishing Corporation 🌐 English ⚖ 417 KB 👁 1 views

"A mayor's inspirational story of a Midwest city that has become nothing less than a blueprint for the future of American renewal. Once described by the Washington Post as "the most interesting mayor you've never heard of," Pete Buttigieg, the thirty-six-year-old Democratic mayor of South Bend, Indi

A data-operation model based on partial

A data-operation model based on partial vector space for batch processing in workflow

✍ Jianxun Liu; Yiping Wen; Ting Li; Xuyun Zhang 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 620 KB