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tagging arctic foxes |
17 July 2008 18:00 |
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Today we mark the puppies. In the morning, nothing is caught but in the afternoon we have more success. Number 18 and 19 are caught together.
Jasper is trap-happy. She feeds four times in a trap. She resembles her mother who does the same in the large trap three times. In the end she is caught with her final puppy. The juveniles are clearly lighter than last year. This year, they leave the den for long walks. We see them close to the restaurant. Now Janwillem can start with his observations. He will study group structure and dominance hierarchy within the litter. |
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| Janwillem has collected data about the foxes in the two previous years. In May he has presented a poster at the IPY-sympoisum in the building of the Royal Academy of Science in Amsterdam. The poster is shown here to the right. | ||
| number | left ear | right ear | size | sex | hindleg | bodymass | name | caught |
| 17 | blue 214 | black | puppy | male | 7.8 cm | 812 g | Vincent | 17/7/2008 14:40 |
| 18 | red 114 | green | puppy | male | 8.2 cm | 807 g | Nico | 17/7/2008 16:13 |
| 19 | red 107 | black | puppy | male | 7.8 cm | 669 g | Jasper | 17/7/2008 16:28 |
| 20 | green | blue 212 | puppy | male | 8.5 cm | 965 g | Simon | 17/7/2008 16:52 |
| 21 | white | red 108 | puppy | male | 8.4 cm | 726 g | Hans | 17/7/2008 19:46 |
| 22 | black | blue 211 | puppy | male | 8.7 cm | 991 g | Tom | 17/7/2008 20:09 |
| 23 | white | yellow 90 | puppy | male | 8.3 cm | 945 g | Michael | 17/7/2008 20:41 |
| 7 | green | yellow 11 | mother | female | Randi | puppy 2006 |
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