Hans Duncker aged 31; young and handsome before his canary studies.
A German canary breeder’s birdroom in the early 1900s. I imagine Reich’s birdroom to have looked much like this.
Hans Duncker and Karl Reich some time in the mid-late 1920s.
General consul Carl Cremer in the 1930s: suave, smooth and confident.
Jan Steen’s Rustic Love – also known as ‘Couple Flirting Outdoors’.
Brueghel’s The Return of the Herd – Autumn, 1565.
Lancret’s Spring, a symbolic bird-catching scene. This image was used by MacPherson in his book on bird catching to illustrate the link with sexual selection.
Chardin’s The Bird Organ or A Woman Varying Her Pleasures.
The original wild canary.
The domesticated yellow canary.
The plate from Duncker’s paper (Duncker 1927b) showing a male red siskin, the dominant white canary and their disappointing off spring.
The red canary.