Cinnamonwing Ino Myth

Exploding the “Lacewings are Cinnamonwing Ino” Myth

by Jim Calder

For years, a persistent belief has circulated within the budgerigar fancy — that Lacewings are simply Cinnamonwing Inos. In this detailed and thought-provoking piece, Jim Calder challenges that assumption, drawing on genetics, breeding outcomes, and historical context to dismantle the myth once and for all. The ANBC Editor Neale Love does note that by publishing this article, the ANBC is not suggesting that it agrees with this assertion.

The Ongoing Debate

Over recent years, discussions across breeder forums and social platforms have continued to revisit the classification of Lacewing budgerigars. Many references point to historical articles or genetic interpretations suggesting Lacewings are merely a combination of Cinnamonwing and Ino.

However, these interpretations often rely on incomplete or flawed assumptions — particularly regarding the genetic identity of the birds used in early breeding experiments.

A Fundamental Misunderstanding

Lacewing is not simply a visual combination of Cinnamonwing and Ino. Rather, it is a distinct mutation, existing as an allele within the same genetic framework as both Ino and Cinnamonwing.

This distinction is critical. While Cinnamonwing and Ino can coexist on the same chromosome, this does not automatically produce a Lacewing. The mutation itself is unique and indivisible.

“The assumption that Lacewings are Cinnamonwing Inos fails to prove that the foundation birds were genetically pure Lutinos. Without that proof, the entire theory collapses.”

The Hidden Gene Pool

One of the most compelling arguments lies in the concept of “clear Lacewings” — birds that visually resemble Lutinos but genetically carry the Lacewing mutation.

These birds may show no visible markings, leading breeders to incorrectly classify them as Lutinos. Over generations, particularly where Lutino-to-Lutino breeding is common, these hidden Lacewings remain undetected within the gene pool.

This creates a major flaw in experimental breeding claims, as the starting birds may not have been true Lutinos at all.

Testing the Theory

To accurately determine whether a Lutino is genetically pure, controlled breeding tests are required:

Mating to Dilutes or Clearwings to identify hidden traits
Pairing with Normal birds to observe split inheritance
Tracking outcomes across multiple generations

Without this level of verification, any conclusions drawn about Lacewing formation remain speculative.

Historical Evidence in Australia

The emergence of Lacewings in Australia further challenges the Cinnamonwing Ino theory. Early Lacewings appeared in aviaries that did not contain Cinnamonwing or Ino birds, indicating the mutation arose independently.

Notably, early development work by breeders such as Hector Hall and subsequent refinement by leading fanciers helped establish Lacewings as a distinct exhibition variety.

Genetic Reality

It is entirely possible for a Lutino to carry Cinnamonwing or Opaline traits, and these can be identified through breeding outcomes. However, this does not equate to Lacewing status.

The presence of multiple traits on a chromosome does not create a new mutation — it simply reflects genetic linkage.

“Once the existence of clear Lacewings within the Ino gene pool is acknowledged, the theory that Lacewing is merely a Cinnamonwing Ino cannot stand.”

Conclusion

The idea that Lacewings are Cinnamonwing Inos is not supported by robust genetic evidence. Instead, it stems from misinterpretation, incomplete testing, and the hidden presence of Lacewing traits within the broader gene pool.

Understanding this distinction is essential for breeders aiming to make informed pairing decisions and preserve the integrity of recognised varieties.

Jim Calder
23 August 2020