Table 2 Breeding success of golden eagles and kill rates and predation rates by golden eagles on spur-thighed tortoises in SE Spain according to eagle territories, years and territorial radius.
From: Predation impact on threatened spur-thighed tortoises by golden eagles when main prey is scarce
Territory and year (n = 15) | Number of fledglings | Kill rate | 2.5 km | 5 km | ||||
|---|---|---|---|---|---|---|---|---|
Average pred. rate | Min. pred. rate | Max. pred. rate | Average pred. rate | Min. pred. rate | Max. pred. rate | |||
T1 2014 | 2 | 42 | 1.45 | 0.53 | 3.92 | 0.38 | 0.14 | 1.02 |
T1 2016 | 1 | 51 | 1.76 | 0.65 | 4.76 | 0.46 | 0.17 | 1.24 |
T1 2017 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
T2 2014 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
T3 2016 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
T4 2014 | 0 | 3 | 0.03 | 0.01 | 0.08 | 0.01 | < 0.01 | 0.03 |
T4 2016 | 2 | 9 | 0.09 | 0.03 | 0.26 | 0.03 | 0.01 | 0.09 |
T5 2015 | 2 | 41 | 1.17 | 0.44 | 3.11 | 0.31 | 0.11 | 0.82 |
T5 2017 | 1 | 28 | 0.80 | 0.30 | 2.12 | 0.21 | 0.07 | 0.56 |
T6 2014 | 1 | 73 | 0.82 | 0.31 | 2.18 | 0.22 | 0.08 | 0.59 |
T7 2015 | 1 | 9 | 0.09 | 0.03 | 0.26 | 0.03 | 0.01 | 0.09 |
T8 2014 | 1 | 20 | 0.33 | 0.12 | 0.87 | 0.11 | 0.04 | 0.29 |
T9 2014 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
T10 2014 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
T11 2014 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |