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Eurasian Crag MartinAlternate name(s): "Crag Martin" ![]() Size: 13-15 cm; wing span: 32-34.5 cm Weight: 23 g (average) |
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Photos |
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ADULT |
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PAIR |
Lateral view of a resting pair of Eurasian Crag Martins
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, May 2022]
Sex unknown |
Near-lateral view of a Eurasian Crag Martin looking towards the
observer; note the characteristic streaking on the chin/throat
(photo courtesy of D. Wilczynska)
[June 2018]
Near-lateral view of a Eurasian Crag Martin
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, September 2019]
Lateral view of a Eurasian Crag Martin looking towards the observer
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, September 2019]
Close-up lateral view of a Eurasian Crag Martin
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, April 2017]
Lateral view of a Eurasian Crag Martin
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, May 2022]
Lateral portrait of a Eurasian Crag Martin
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, February 2019]
Lateral view of a Eurasian Crag Martin
(photo courtesy of D. Wilczynska)
[June 2018]
Lateral view of a Eurasian Crag Martin
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, May 2018]
Lateral view of Eurasian Crag Martins
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, August 2020]
Near-dorsal view of a Eurasian Crag Martin holding on to a
rockface (photo courtesy of D. Wilczynska)
[June 2018]
Near-dorsal view of a Eurasian Crag Martin
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, April 2020]
Dorsal view of a Eurasian Crag Martin
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, April 2020]
Lateral view from above onto a Eurasian Crag Martin in flight
(photo courtesy of J. Pires)
[Lagoa de Obidos, Obidos, Leiria, Portugal, July 2020]
Lateral view from above onto a Eurasian Crag Martin in flight,
here with a clear view of the white "windows" on its uppertail
(photo courtesy of J. Pires)
[Herdade do Esporao, Reguengos de Monsaraz, Evora, Portugal, January 2023]
Near-dorsal/ventral view of a Eurasian Crag Martin in flight
(photo courtesy of J. Pires)
[Herdade do Esporao, Reguengos de Monsaraz, Evora, Portugal, January 2023]
Dorsal view of a Eurasian Crag Martin banking to land
(photo courtesy of J. Pires)
[Montargil Dam, near Mora, Evora, Portugal, January 2019]
Ventral view of a Eurasian Crag Martin in flight,
showing clearly the characteristic prominent
white "windows"
(photo courtesy of G. Normand)
[Parc national de Calanque, near Marseille, Provence-Alpes-Cote
d'Azur, France, January 2021]
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IMMATURE/JUVENILE |
Frontal view of a juvenile Eurasian Crag Martin
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, December 2013]
Frontal view of a juvenile Eurasian Crag Martin
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, April 2019]
Lateral view of a juvenile Eurasian Crag Martin
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, August 2020]
Juvenile Eurasian Crag Martins resting on a ledge together with
Common House Martins
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, May 2019]
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Breeding information |
Breeding season: May - Aug | Eggs: 2 - 5 | Incubation period: 13 - 17 days | Fledging age: 24 - 27 days |
Except in the northern-most parts of their breeding range, Eurasian Crag Martins usually have two broods per season.
Nest building: Female & male | Incubation: Female | Dependent care: Female & male |
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Nest |
Type: Mud nest in rock crevace | Material: Mud; feathers, dry grass lining | Height above ground: N/A |
Eurasian Crag Martin sitting on its nest that is probably still
under construction
(photo courtesy of J. Pires)
[Castro Verde, Alentejo, Portugal, February 2023]
Eurasian Crag Martin perched at the entrance to its nest hollow
(photo courtesy of D. Wilczynska)
[June 2018]
Eurasian Crag Martin collecting mud for its nest
(photo courtesy of J. Pires)
[Mora, Evora, Portugal, April 2020]
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Eggs |
Size: 20 x 14 mm | Colour: White, with many small dark-brown to black speckles | Shape: Tapered oval |
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Behaviour |
Social behaviour: Communal | Mobility: Sedentary/Migratory | Elementary unit: Pair/Flock |
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Food, Diet |
Adults: Small insects | Dependents: As adults | Water intake: Daily(?) |
Like all other swallows known to us, Eurasian Crag Martins are insect hunters. They feed in-flight on small insects.