congener

Its smaller congener Sabine’s gull, X. sabinii, is more common, and has been found breeding both in Arctic America and in Siberia, and several examples, chiefly immature birds, have been obtained in the British islands.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" by Various

The paroquet had already joined the macaw, and, as if in imitation of its great congener, flew fluttering among the top branches, in a state of the wildest excitement!

From Afloat in the Forest A Voyage among the Tree-Tops by Mayne Reid

Like his brown congener of Europe he has a sweet tooth, and is greatly given to honey.

From Bruin The Grand Bear Hunt by Johann Baptist Zwecker

Both these birds have much in common with their larger congener the capercally and its eastern representative.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" by Various

It is also of a gentler disposition than its congener, smaller in size, and never preys upon other animals.

From Bruin The Grand Bear Hunt by Johann Baptist Zwecker

This dual capacity distinguishes us from other species which, to learn a new task, need numerous trials accompanied by positive or negative reinforcement signals, without being able to communicate it to their congeners.

From Science Daily ● Mar. 18, 2024

The type of still will influence the beverages’ final flavor, because pot stills often do not separate the congeners as precisely as column stills do.

From Scientific American ● Sep. 27, 2023

Yeast fermentation yields other byproducts besides alcohol and carbon dioxide, including flavor compounds called congeners.

From Salon ● Sep. 14, 2023

Whatever you think you’ve read about congeners and sulphites and wine before beer, it’s all twaddle.

From The Guardian ● Jan. 1, 2017

This southern apple, which has extended more widely northward than most of its congeners, is believed to be a native of Macon County, Georgia.

From American Pomology Apples by J. A. Warder