Bird tracking

Index of articles about bird tracking using satellite telemetry and other technologies such as geolocators.

Spanish Imperial Eagle / Aigle ibérique (Aquila adalberti), near Tanger-Med port, 12 September 2017 (Rachid El Khamlichi).

Spanish Imperial Eagle dispersion in North Africa in 2017

Dispersion and overwintering of Spanish Imperial Eagles (Aquila adalberti) in Morocco, and northern Africa in general, is becoming regular and in relatively good numbers (for an endangered ‘sedentary’ species). As in previous years, this autumn at least 4 eagles crossed the Strait of Gibraltar to North Africa. We say “at least” because not every bird …

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Bonelli’s Eagle ‘Zahara’ passing through the Strait of Gibraltar

Satellite-tracked Bonelli’s Eagles wintering in Africa for the first time

The recent migration of two young Bonelli’s Eagles across the Strait of Gibraltar to Morocco shows an unknown dispersive movement in this species. This confirms once again the importance of North Africa to the Iberian raptors. The Bonelli’s Eagle (Aquila fasciata) is usually resident across its breeding range with immature birds making sometimes large dispersions. With …

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Juvenile Spanish Imperial Eagle (Aquila adalberti) seen at Tarifa, Spain about to cross the Strait of Gibraltar to Morocco

Spanish Imperial Eagle recovering space beyond borders

Tracking Spanish Imperial Eagles showed the scale of their movements in Morocco and Africa in general. In 2015, six young satellite-tracked Spanish Imperial Eagles (Aquila adalberti) visited North Africa from Andalusia, southern Spain. A recent article by researchers from the Doñana Biological Station (EBD-CSIC) and the Government of Andalusia explored the subject of these eagles’ …

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From left to right: Mohamed Amezian, Ahmed El Ketami (who saved the transmitter) & Rachid El Khamlichi

Sat-tracked White Stork found dead in fishing lines near Tangier, Morocco

A satellite-tracked White Stork (Ciconia ciconia) found dead near Asilah, Tangier region, northern Morocco. The good news is that the satellite transmitter was found in good condition. This is the story of how the White Stork ‘C666’ died and how its transmitter was found. On 26 November 2013, Brigitta Keeves from the office of Prof. …

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Osprey’ foot and feathers and the colour ring.

English Osprey predated by Pharaoh Eagle Owl or mammal in southern Morocco

An Osprey known as ‘09’ satellite-tracked from Rutland in England spent the last winter in Senegal (so he already has experience in desert crossing). His autumn migration this year was cut short by an avian or mammalian predator while he was roosting on the northern edge of the Sahara in southern Morocco. This story is …

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Short-toed Snake Eagle (Circaetus gallicus) by Michele Panuccio

Spanish Short-toed Eagles summering in Northwest Africa

After leaving their Sahelian wintering grounds, immature Spanish Short-toed Snake Eagles spend the summer in northern Africa instead of going back to their natal areas. The importance of the breeding and wintering areas of a bird population for understanding demography and for determining conservation strategies is well recognised. However, the other areas where birds spend …

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