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2009’s photos from Bernard Joubert

Jul 19, 2009 / 1 Comment

These scenes of life in Short-toed Eagles’ nest were fixed by Bernard Joubert in Haute-Loire /map/ this year:

Some photos of a succesful attempt somewhere in France

Short-toed Eagle. Bernard Joubert. 2009

Area: southern Auvergne. Altitude: 870 m above sea level. Tree: pine Pinus sylvestris. Height: 6 meters.

The egg was laid near the 8th of April, the hatching happened around the 24th of May. The young bird took off the 30th of July, early afternoon. He was 67 days old. It was the twelfth succesful take-off in this site in 14 years.
The first visit – very discreet-happened when the chick was 10 days old. Between the 21th of June and the 30th of July, nine observatory sessions (circa 30 hours). Here is a photografic summary.

Bernard Joubert

 

Short-toed Eagles’ arrival at France in 2009

Mar 19, 2009 / 2 Comments

This is a picture with dates of the first meetings and numbers of registered Short-toed Eagles for different regions of France. The information was received through French Circaetus network, was treated by Bernard Joubert and can still be complemented. You can also see a map of Short-toed Eagles’ arrival at France in 2009 year (just click on the blue markers for details):

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Question of sensibility

Nov 12, 2008 / Comment

This text opening La Plume du Circaète n° 6 was written by Bernard Joubert and translated to English by Yves Forget. This view of birds studies can be interesting for Short-toed Eagle watchers and researchers in other countries:

For many of us, a bird of prey is much more than a flying machine.
It is first of all an elegant bird of an absolute beauty. It is the being who breathes, who eats, communicates, moves, suffers, reproduces, interacts, fears. In brief, a being on the whole not so remote from us. If we take a good look at it, we are amazed by the subtlety of the strategies which it shows to continue to live in its environment.

If it is almost impossible for the observer who makes the effort to look at him simply, not to develop a certain shape of empathy (sorry Mister Lorenz!), this one can nevertheless keep a certain distance face to face of its subject of observation, a certain objectivity and so develop a speech which we can qualify as scientific.

For some, however, the bird never becomes a close friend. It is never the young-nervous-male-from-the-rocky-valley or just as well the dark-not-so-wild-female. It still remains an animal, a lower being to whom we are entitled to make everything undergo, in defiance of its identity, of its beauty and – who knows? – of its emotionality. And so much the worse for the sublime wanderer transformed in a bum by a piece of plastic.

And so much the worse for the dreamers, the aesthetes and the other visionaries who have an aggravated sensibility.
They are not serious.

But, this sensibility, isn’t it all the essence of our humanity? And doesn’t it not open the doors of the knowledge as wide as that of professed researches where the identity of the bird is corrupted without the shadow of a scruple?

Bernard Joubert

 

Biotopes. Haute-Loire (France) -2

May 28, 2008 / Comment
Contributor: Bernard Joubert.
Country: France. Region: South Auvergne. Department: Haute-Loire.
Short-toed Eagle population: 75 / 80 pairs.

Please take a look at the map of main survey area /map/. General description and photos can be viewed below:

Short-toed Eagle. Biotopes. Photo 1Two neighboring breeding sites with eyries 2100 m apart (but more than an hour on foot) in the heart of the Allier gorges, one of the most scenic spots of the Massif Central with a great biodiversity an no measures of protection. The area is a border of the massif of La Margeride and the Velay’s hight plateaux, on the margeridian slope. Here, the valley is 400 m deep with slopes of 60%. Generaly, those birds avoid meeting but some hunting grounds are shared that can cause agonistic behavior.

Short-toed Eagle. Nesting biotope. Photo 2
Breeding site LM: Woods of firs and beeches with some pines. In a cool open concavity on the left slope of the Allier valley. The nest sits on a pine, 250 m from a path. 69% incline. On a granitic formation. Very little human activity.

Altitude: 890 m. Exposition: NE.

Short-toed Eagle. Nesting biotope. Photo 3
Breeding site SV: Because of the exposition, woods consist of oaks with some beeches and pines. Sometimes, gneissic outcrops cut through the forest. The nest is at the top of a pine, 75 m from a path. 55% incline. As the previous site, very few human activities (hunting in autumn and no regular forestry activities).

Altitude: 900 m. Exposition: ENE. Other interesting species: idem.

Short-toed Eagle. Hunting biotope. Photo 4Nearest hunting ground: 100 ha of heath, growing after fires. No agricultural activities. Everywhere brooms, thick or sparse, with rocks in places, cliffs and bushes and few pines. The slopes are difficult of access for humans because of the vegetation, rocks and declivity, but very easy for snake eagles, with up-draughts (permitting hang-gliding and thermal soaring).

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Biotopes. Haute-Loire (France) -1

Apr 22, 2008 / Comment
Contributor: Bernard Joubert.
Country: France. Region: South Auvergne. Department: Haute-Loire.
Short-toed Eagle population: 75 / 80 pairs.

Please take a look at the map of main survey area /map/. General description and photos can be viewed below:

15 pairs are surveyed since 1996 in the west of department, on the slopes of the huge hercynian massif of Margeride. Very few human activities in valleys. None intensive agricultural practices on the boarding plateaux (cattle: cow, sheep). Birds nest in V-shaped valleys of the Allier and tributaries, between 700 and 950 m above sea level. Eyries generally on pines, sometimes on firs. Usually nest areas are quiet.
Diet is based on few species: Elaphe longissima (chiefly), Vipera aspis (often), Anguis fragilis (especially during cool and rainy periods), sometimes Coronella. Lizards: Lacerta viridis and Podarcis muralis.

Short-toed Eagle. Nesting biotope. Photo 1
Site 1. Breeding site: Nest on the left of the valley (yellow circle), on a pine. Other nests on the other side (green circle: fir now dead because of Ips and al.), and at the end of a valley’s branch (orange circle).
Altitude: 870 m. Exposition: SW. Breeding success rate: 0.66 (n=12).
Short-toed Eagle. Hunting biotope. Photo 2
Other interesting species: Accipiter gentilis, Dryocopus martius, Genetta genetta.

Nearest hunting ground: Slopes overgrazed by sheep, sparsely covered in broom (Genista purgens), with rocky outcrops.

Short-toed Eagle. Nesting biotope. Photo 3
Site 2. Breeding site: 2008’s is nest in yellow circle. On the border of an oakwood and a pinewood. Nest on a pine. Two other eyries are known, one of which in the green circle, in the concavity of the mountain.
Altitude: 760 m. Exposition: SSE. Breeding success rate: 0.45 (n=11). Bad rate because site at the crossroad of flight paths of other birds, for hunting areas.
Short-toed Eagle. Hunting biotope. Photo 4
Other interesting species: Milvus milvus, Caprimulgus europaeus, Cervus elaphus.

Nearest hunting ground: Between the line of tall trees along a small brook (invisible), and the forest. At the foot of a slope. Sparse heath with few rocks.

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Biotopes

Jan 31, 2008 / 2 Comments

Let us invite you to take part in common collection of short descriptions of Short-toed Eagles biotopes in different regions. This idea belongs to Bernard Joubert. The project aims to describe the whole area of the species distribution. It should be something like collection of photos of typical for Short-toed Eagles hunting and breeding territories with short notes about the authors, their comments, which will be connected with a map. The test version of it can be viewed here. Please, if you have some propositions, we would be glad to discuss theminfo@short-toed-eagle.net; or as a comment to this post.

 

B. Joubert’s works in the Alauda journal

May 27, 2007 / 1 Comment
Pascal and Francis Bibliographic Databases

Bibliographical descriptions of Bernard Joubert‘s articles on Short-toed Eagle in the Alauda journal can be found on the Pascal and Francis Bibliographic DB, the abstracts (En) are represented below:

• 1998 – Données préliminaires sur les Circaètes Jean-le-Blanc Circaetus gallicus de Haute-Loire [Preliminary study on the Short-toed Eagle in the Haute-Loire Department /map/] // Alauda, vol. 66, №3, pp. 207-220 (abstract).

• 1999 – Trois comportements de circaètes Jean-le-Blanc mâles Circaetus gallicus en période de reproduction [Three behavior of Short-toed Eagle during breeding period] // Alauda, vol. 67, №2, pp. 141-144 (abstract).

• 2002 – Données éthologiques sur la formation du couple chez le Circaète Jean-le-Blanc Circaetus gallicus [Ethological data on pair forming in Short-toed Eagle] // Alauda, vol. 70, №1, pp. 3-8 (abstract).

• 2002 – L’aire du Circaète Jean-Le-Blanc Circaetus gallicus : Données éthologiques sur la collecte de matériaux. Place du nid dans la stratégie adaptative de l’espèce [Short-toed Eagle nest: ethological data on nest material collection: Importance of nest size and position for the adaptative behaviour of the species] // Alauda, vol. 70, №2, pp. 263-270 (abstract).

• 2006 – Données sur la reproduction du circaète jean-le-blanc Circaetus gallicus dans la haute vallée de l’Allier (Haute-Loire, France) [Remarks on breeding Short-toed Eagle in the upper allier valley (Haute-Loire, France /map/)] // Alauda, vol. 74, №1, pp. 1-12 (abstract).