Marcel and Andrée COUTURIER. The Roosters of Heather. Boulogne, 1980. Part I. Natural history. Part II. Manners. Part III. Hunting. 12 line drawings, 45 two-color maps, 294 photographs, 98 tables of measurements, 4100 bibliographical indexes. Two volumes abundantly illustrated, full blue percaline binding. Patrick ZABE is included. The capercaillie. Scarlet wattles and ivory beak. Gap, 2017. Very beautiful work, many illustrations.

Composed of several subsidiaries, the Drouot Group is a major player in the art market. Hôtel Drouot, located in the heart of Paris, has been the world's largest public auction center since 1852. 15 salerooms are available to more than 70 auction houses. The emulation generated by an annual offer of 230,000 artworks from 21 major specialities - from Antiquity to street art - attracts some 3,000 visitors every day. The Group's digital platform, Drouot.com, offers digital sales - Live auctions (live broadcasting and participation in auctions), Online-only auctions (dematerialised auctions) and Buy Now sales (sales of lots at fixed prices). Nearly 2 million items are offered annually by 600 auction houses. Auction news is reported every week in La Gazette Drouot, the leading weekly magazine for the art market and culture published by Auctionspress.