Population Status and Colony Characteristics of Eleonora’s Falcon (Falco eleonorae) in the National Marine Park of Alonissos—Northern Sporades, Greece
Abstract
:Simple Summary
Abstract
1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. The Study Species
2.3. Field Data Collection
2.4. Statistical Analyses
3. Results
3.1. Population Status
3.2. Nest Sites
3.3. Colony and Nest Height
3.4. Nest and Nest Cliff Orientation
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Island | Number of Individuals | Number of Individuals/km of Coastline | Estimated Number of Breeding Pairs 1 | Number of Active Nests Recorded |
---|---|---|---|---|
Piperi | 134 | 9.0 | 93.8 | 121 |
Gioura | 59 | 2.0 | 41.3 | 60 |
Grammiza | 2 | 0.4 | 1.4 | 1 |
Kyra Panagia | 20 | 0.5 | 14 | 18 |
Peristera | 5 | 0.1 | 3.5 | 3 |
Alonissos | 97 | 1.2 | 67.9 | 89 |
Megalo Adelfi | 3 | 0.5 | 2.1 | 4 |
Mikro Adelfi | 2 | 0.6 | 1.4 | 1 |
Polemika | 8 | 5.4 | 5.6 | 13 |
Skantzoura | 1 | 0.1 | 0.7 | 1 |
Strongylo | 12 | 24.5 | 8.4 | 12 |
Skantili | 7 | 1.6 | 4.9 | 4 |
Korakas | 6 | 1.3 | 4.2 | 2 |
Total | 356 | 1.5 | 249.2 | 329 |
Island | Colony Initiation Height (m) | Maximum Cliff Height (m) | ||
---|---|---|---|---|
Mean ± SD | Range | Mean ± SD | Range | |
Piperi | 32.5 ± 28.5 (n = 29) | 12–150 | 87.9 ± 64.6 (n = 29) | 20–300 |
Gioura | 39 ± 49.1 (n = 13) | 12–200 | 106.1 ± 103 (n = 13) | 20–400 |
Kyra Panagia | 31.7 ± 16.1 (n = 3) | 20–50 | 86.7 ± 23.1 (n = 3) | 60–100 |
Alonissos | 43.5 ± 16.4 (n = 15) | 18–80 | 167.3 ± 93.7 (n = 15) | 60–300 |
All islands | 34.6 ± 29.6 (n = 69) | 12–200 | 104.8 ± 83.8 (n = 69) | 20–400 |
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Bakaloudis, D.E.; Kotsonas, E.G.; Saxoni, S.P. Population Status and Colony Characteristics of Eleonora’s Falcon (Falco eleonorae) in the National Marine Park of Alonissos—Northern Sporades, Greece. Birds 2024, 5, 90-101. https://doi.org/10.3390/birds5010006
Bakaloudis DE, Kotsonas EG, Saxoni SP. Population Status and Colony Characteristics of Eleonora’s Falcon (Falco eleonorae) in the National Marine Park of Alonissos—Northern Sporades, Greece. Birds. 2024; 5(1):90-101. https://doi.org/10.3390/birds5010006
Chicago/Turabian StyleBakaloudis, Dimitrios E., Evangelos G. Kotsonas, and Stavroula P. Saxoni. 2024. "Population Status and Colony Characteristics of Eleonora’s Falcon (Falco eleonorae) in the National Marine Park of Alonissos—Northern Sporades, Greece" Birds 5, no. 1: 90-101. https://doi.org/10.3390/birds5010006