Table 1.
Summary of turkey vulture movement data used in the analysis.
| population | bird name | migration status | start time (GMT) | end time (GMT) | average sampling interval (h) | no. valid points |
|---|---|---|---|---|---|---|
| P1 (west coast of North America) | Morongo | migratory | 2006-04-10 | 2009-04-05 | 1 | 19 868 |
| Rosalie | migratory | 2006-04-11 | 2010-03-28 | 1 | 28 101 | |
| Sarkis | migratory | 2006-02-25 | 2007-07-05 | 1 | 8451 | |
| Prado | non-migratory | 2005-11-02 | 2009-07-07 | 1 | 20 967 | |
| P2 (east coast of North America) | Mary | non-migratory | 2009-10-20 | 2012-10-21 | 3 | 3299 |
| Irma | non-migratory | 2004-09-06 | 2013-03-18 | 1 | 18 314 | |
| Schaumboch | migratory | 2004-10-08 | 2006-03-29 | 1 | 3083 | |
| Disney | migratory | 2004-10-11 | 2011-10-18 | 1 | 28 578 | |
| Butterball | migratory | 2003-11-14 | 2004-03-14 | 1 | 1275 | |
| Mark | migratory | 2009-10-26 | 2012-10-03 | 3 | 5353 | |
| P3 (interior of North America) | Steamhouse 1 | migratory | 2009-09-25 | 2011-11-25 | 3 | 5655 |
| Steamhouse 2 | migratory | 2009-09-30 | 2013-03-19 | 3 | 9416 | |
| Sill | migratory | 2005-06-19 | 2005-10-31 | 1 | not valid | |
| Ranger | migratory | 2007-08-05 | 2007-12-01 | 1 | not valid | |
| Leo | migratory | 2007-09-24 | 2013-03-15 | 1 | 32 947 | |
| Blizzard | migratory | 2005-06-22 | 2005-10-07 | 1 | not valid | |
| Duck Lake | migratory | 2006-06-21 | 2006-10-27 | 1 | not valid | |
| Mac | migratory | 2007-09-27 | 2008-09-13 | 1 | 7864 | |
| P4 (interior of South America) | Young Luro | migratory | 2009-03-31 | 2012-09-19 | 3 | 7658 |
| Domingo | migratory | 2011-03-20 | 2013-04-24 | 3 | 5040 | |
| Whitey | migratory | 2011-03-26 | 2012-10-12 | 3 | 3564 | |
| Sabado | migratory | 2009-03-07 | 2009-04-14 | 3 | not valid | |
| La Pampa | migratory | 2011-04-16 | 2012-09-26 | 3 | 4032 | |
| Argentina | migratory | 2011-04-19 | 2012-09-23 | 3 | 4058 | |
| total | 19 valid tracks | 217 523 |