Table 1 Size (FW = width of femoral scutes) and biomass (total weight, including the shell) of the spur-thighed tortoises predated by golden eagles in SE Spain, according to eagles’ territories with tortoise remains.
From: Predation impact on threatened spur-thighed tortoises by golden eagles when main prey is scarce
Territory | Subadults | Adult males | Adult females | Adults, unknown sex | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
N | FW (mm) | weight (g) | N | FW (mm) | weight (g) | N | FW (mm) | weight (g) | N | FW (mm) | weight (g) | |
T1 | 4 | 51.30 ± 8.33 | 226.63 ± 95.26 | 9 | 55.37 ± 2.89 | 266.60 ± 36.62 | 18 | 69.61 ± 4.02 | 480.91 ± 70.70 | 1 | 74.31 | 562.61 |
T4 | 0 | 0 | 0 | 1 | 52.84 | 234.20 | 0 | 0 | 0 | 0 | 0 | 0 |
T5 | 23 | 56.41 ± 6.43 | 235.13 ± 71.09 | 14 | 62.84 ± 9.16 | 381.51 ± 132.89 | 46 | 70.24 ± 5.99 | 495.05 ± 106.50 | 2 | 56.32 ± 4.90 | 279.58 ± 64.09 |
T6 | 5 | 54.34 ± 3.45 | 254.02 ± 41.71 | 5 | 61.87 ± 4.91 | 358.04 ± 71.19 | 11 | 71.62 ± 7.82 | 522.30 ± 141.85 | 1 | 66.53 | 427.31 |
T8 | 1 | 56.70 | 282.79 | 3 | 60.94 ± 6.09 | 345.27 ± 89.53 | 1 | 67.51 | 443.31 | 0 | 0 | 0 |
All | 33 | 52.73 ± 6.13 | 328.41 ± 68.32 | 32 | 60.10 ± 7.42 | 337.52 ± 108.04 | 76 | 70.26 ± 5.81 | 494.97 ± 103.99 | 4 | 63.37 ± 9.19 | 398.86 ± 145.64 |