Multivariate analysis of initial orientation in homing pigeons: Is there a “preferred compass direction”?

1989 ◽  
Vol 130 (2) ◽  
pp. 161-173 ◽  
Author(s):  
Jörg U. Ganzhorn
Keyword(s):  
Multivariate Analysis ◽  
Initial Orientation ◽  
Homing Pigeons ◽  
Compass Direction

scholarly journals Initial orientation of homing pigeons on the Atlantic coast of Morocco is affected by a strong preferred compass direction (PCD)

2004 ◽  
Vol 71 (4) ◽  
pp. 325-328 ◽  
Author(s):  
Verner P. Bingman ◽  
Mohammed Aziz El Agbani ◽  
Bouchra Benazzouz ◽  
Anna Gagliardo
Keyword(s):  
Atlantic Coast ◽  
Initial Orientation ◽  
Homing Pigeons ◽  
Compass Direction

Initial orientation of homing pigeons at the magnetic equator with and without sun compass

1983 ◽  
Vol 14 (1) ◽  
pp. 77-79 ◽  
Author(s):  
R. Ranvaud ◽  
K. Schmidt-Koenig ◽  
J. Kiepenheuer ◽  
O. C. Gasparotto
Keyword(s):  
Initial Orientation ◽  
Magnetic Equator ◽  
Sun Compass ◽  
Homing Pigeons

Short-term residence in deflector lofts alters initial orientation of homing pigeons

1980 ◽  
Vol 7 (3) ◽  
pp. 207-211 ◽  
Author(s):  
Jerry A. Waldvogel ◽  
John B. Phillips ◽  
Douglas R. McCorkle ◽  
William T. Keeton
Keyword(s):  
Initial Orientation ◽  
Short Term ◽  
Homing Pigeons

Olfactory lateralization in homing pigeons: initial orientation of birds receiving a unilateral olfactory input

2007 ◽  
Vol 25 (5) ◽  
pp. 1511-1516 ◽  
Author(s):  
Anna Gagliardo ◽  
Tommaso Pecchia ◽  
Maria Savini ◽  
Francesca Odetti ◽  
Paolo Ioalè ◽  
...  
Keyword(s):  
Initial Orientation ◽  
Homing Pigeons ◽  
Olfactory Input

A LONG TERM STUDY ON INITIAL ORIENTATION IN SAND MARTINS (RIPARIA RIPARIA)

Behaviour ◽  
1999 ◽  
Vol 136 (10-11) ◽  
pp. 1311-1323 ◽  
Author(s):  
Dimitri Giunchi ◽  
Natale Emilio Baldaccini ◽  
Emanuele Mongini
Keyword(s):  
Initial Orientation ◽  
Term Study ◽  
Causal Factors ◽  
Compass Direction ◽  
Order Analysis ◽  
Riparia Riparia ◽  
Long Term Study ◽  
The Relationship ◽  
Homing Direction

AbstractOver a period of 18 years sand martins (Riparia riparia) were displaced from their breeding colonies and released to investigate the relationship between distance of displacement and initial orientation. The results show significant homeward orientation at the shortest distances of displacement (7.1-18.2 km, series A), but not over longer distances (49-180 km, series B and C). Birds displaced over 49 km from their breeding colonies only seldom show homeward directedness, while pseudo-pooling and second order analysis of their directional choices seem to indicate the tendency to fly in a given compass direction. Possible causal factors that can induce this behaviour in sand martins are discussed, taking into account not only local biasing factors but also the existence of a so called preferred compass direction. These data show that sand martins are able to determine the correct homing direction inside a probably familiar area. The response over longer distances indicates difficulties in determining the appropriate homing course at takeoff.

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