Fawn-breasted Bower-bird (Chlamydera cerviniventris) illustrated by Elizabeth Gould (1804–1841) for John Gould’s… https://www.rawpixel.com/image/321496/free-illustration-image-gould-bird-birds-australiaFree Image from public domain licenseGuttated Bower-bird (Chlamydera guttata) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321437/free-illustration-image-gould-birds-australia-bowerbirdFree Image from public domain licenseSpotted Bower Bird (Chlamydera maculata) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321196/free-illustration-image-gould-illustrations-bowerbirdFree Image from public domain licenseGreat Bower Bird (Chlamydera nuchalis) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321699/free-illustration-image-australia-gould-illustrations-centuryFree Image from public domain license