At Château Cazebonne, every morning brings a new symphony. Among the virtuosos of our vineyard parcels, the Blackcap stands out with its song—a fluted, melodious voice rising from the hedgerows and copses. Modest in appearance, this bird is a true emblem of the restored balance within our vineyard. Recognisable by the male's glossy black cap and the female's reddish-brown crown, it is a discreet yet invaluable sentinel.

Its presence is no coincidence. The Blackcap is a tireless forager, feeding mainly on insects, spiders, and larvae in spring and summer. In doing so, it plays an active part in the natural control of pest populations, providing vital protection for our vines. In autumn, its diet diversifies to include berries, showcasing its adaptability and beneficial role throughout the year. This natural partnership, where every species has its place and purpose, lies at the heart of our winegrowing philosophy.

A biodiversity indicator and natural ally

The growing number of Blackcaps, as well as the overall diversity of bird species we observe, is tangible proof of the ecological richness we have restored at Château Cazebonne. Since our conversion to organic viticulture in 2017, the elimination of synthetic chemicals and the preservation of diverse habitats—hedgerows, grassed areas, copses—have fostered a spectacular return of wildlife. A census conducted by an ornithologist in October 2023, identifying more than 25 different species around our estate, offers striking evidence. The Blackcap is thus far more than just a bird: it is the symbol of a thriving ecosystem where the vine flourishes in harmony with its environment.

The Blackcap, known by its scientific name Sylvia atricapilla, is a small passerine of the Sylviidae family. It measures around 13–14.5 cm in length with a wingspan of 20 to 23 cm, weighing between 15 and 22 grams. The male boasts a distinctive black cap, contrasting with olive-grey plumage on its back and greyish-white underparts. The female is distinguished by a reddish-brown cap and warmer-toned plumage.

This migratory bird winters in Africa and returns to Europe as early as March to nest. Around Cazebonne, it can be spotted from April to September. Its melodious, rapid, and fluted song is one of the vineyard's first heralds of spring. The Blackcap prefers habitats rich in dense vegetation: we frequently observe it in the hedgerows, copses, and woodland borders that flank our vineyard plots. These areas provide both shelter and sustenance, notably insects and berries.

The ecological role of the Blackcap is doubly beneficial. Above all, it is a voracious insect eater, actively helping to naturally regulate vine pest populations such as caterpillars and aphids. In autumn, it also eats berries. This interaction is overwhelmingly beneficial to the vineyard, helping reduce pest pressure without resorting to synthetic treatments. The abundant presence of these birds bears witness to the quality of biodiversity in our vineyard.

In practice at Cazebonne, we observe that Blackcaps build their nests within the folds of the hedgerows and coppices we maintain around the vines. During the months of May and June, the male's song can frequently be heard near the plots where females are brooding. Their presence is living proof that our biodynamic practices and attentive management of diverse plant species create an environment welcoming to varied and beneficial wildlife, much like the robin, or other species such as The Tit: acrobat and precious ally of the Cazebonne vineyards.

Cazebonne's commitment: the revival of a heritage

Beyond protecting our precious feathered allies, our commitment at Château Cazebonne extends to reviving Bordeaux's viticultural heritage. We passionately replant almost forgotten grape varieties—true treasures of history and flavour—such as Castets, Mancin, and Saint Macaire. These rare varieties, whose captivating history is eloquently told in the book "Bordeaux, une histoire de cépages" by Jean-Baptiste Duquesne (Éditions BBD), are finding a new lease of life in our soils.

This long-term endeavour, this quest for authenticity and singularity, is made possible through the steadfast support of the many enthusiasts who have embraced our wines and share our vision. Together, we are breathing life back into these viticultural gems that had disappeared from the Bordeaux landscape.

We invite you to discover our cuvées, the fruit of this passion and commitment, by visiting the Cazebonne shop. To deepen your knowledge of these resurrected grape varieties and Bordeaux wine history, please feel free to receive the digital version of the book "Bordeaux, une histoire de cépages". Finally, test your knowledge with our wine quizzes, exploring the richness of our viticultural heritage. For more information on the birdlife of our estate, consult The Wagtail.