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Dirk Van den Abeele

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Ornitho-Genetics VZW
  • FAQ: Can pallid revert back to SL ino?

    27/07/2026 Dirk Van den Abeele

    FAQ: Is it possible that, after several generations, the offspring of a pallid hen suddenly produce only SL ino young, assuming we are certain that

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  • FAQ: Naming order in mutation combinations

    27/04/2026 Dirk Van den Abeele

    FAQ: Naming order in mutation combinations Enthusiasts often like to combine different color mutations. This raises the question: in what order should the names of

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  • FAQ: melanin, eumelanin, phaeomelanin, melanocytes, melanosomes and keratinocytes?

    20/03/2026 Dirk Van den Abeele

    Nederlandse versie onderaan FAQ: When studying your articles on feather structure, terms such as melanin, eumelanin, phaeomelanin, melanocytes, melanosomes and keratinocytes in bird feathers are

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  • FAQ: Can a DNA or blood test detect the presence of colour mutations (split factor) in the genome?

    01/03/2026 Dirk Van den Abeele

    Nederlandse versie onderaan FAQ: Can a DNA or blood test detect the presence of colour mutations in the genome? We’ve been receiving this question more

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  • FAQ: pallidino or PallidIno?

    06/12/2025 Dirk Van den Abeele

    FAQ: The international guidelines state that combinations of alleles should be written as one word and that the names of both alleles must begin with

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Farewell my friend

08/01/2021 Dirk Van den Abeele General 4 comments

We just received the terrible news that Gerald Van der Linde passed away this morning. Gerald was one of the

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We updated our info on FAQ: Blue x Blue is Green?

04/01/2021 Dirk Van den Abeele General

We updated our info on FAQ: Blue x Blue is Green? FAQ: blue x blue = ??? green??

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FAQ: is there a visual difference between blue1 and blue2?

15/12/2020 Dirk Van den Abeele FAQ, General 7 comments

FAQ: is there a visual difference between blue1 and blue2? Answer: I am afraid not. There were rumours / assumptions

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Parthenogenesis in Agapornis roseicollis

10/12/2020 Dirk Van den Abeele Articles - Artikels, Articles UK, General

The article on this particular case was published in BVA-International Journal of April 2009 By Dirk Van den Abeele Ornitho-Genetics

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S.O.S. Swift parrot [Lathamus discolor]

09/12/2020 Dirk Van den Abeele General

As we announced on this blog in 2014: the swift parrot [Lathamus discolor] is an endangered parrot. And unfortunately the

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Talking lovebirds?

07/12/2020 Dirk Van den Abeele General One comment

Can Agapornis spp talk? I often get that question. In the past thirty years, I have received only one report

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Psittacofulvins in blue1 or blue2 feathers?

02/12/2020 Dirk Van den Abeele General

Blue Agapornis fischeri and Agapornis personatus are considered not producing any psittacofulvins (psittacines) in the feathers. However, we could not

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Blue-crowned hanging parrot tucking pieces of leaf among throat feathers

30/11/2020 Dirk Van den Abeele General One comment

Long time we suspected that only Agapornis roseicollis is transporting nesting material between the feathers on her rump or upper

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FAQ: Are slaty and misty the same mutation and / or are they a grey mutant?

25/11/2020 Dirk Van den Abeele FAQ, General 10 comments

FAQ: Are slaty and misty the same mutation and / or are they a grey mutant? The answer is actually

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Agapornis roseicollis pale

22/11/2020 Dirk Van den Abeele Articles - Artikels, Articles UK, General

Agapornis roseicollis pale? By Dirk Van den Abeele Ornitho-Genetics VZW MUTAVI, Research & Advice Group Published BVA Magazine August 2017

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Dense sampling of bird diversity increases power of comparative genomics

18/11/2020 Dirk Van den Abeele General 2 comments

Nature ( the world’s leading multidisciplinary science journal) published an article  in which they announced a substantial step towards the

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FAQ: can we have DF hens in SL (incomplete) dominant mutations?

12/11/2020 Dirk Van den Abeele FAQ, General

FAQ: can we have DF hens in SL (incomplete) dominant mutations?  Answer: NO A sex linked (incomplete) dominant mutation is

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On request: Agapornis roseicollis: dilute versus pallid

06/11/2020 Dirk Van den Abeele Articles - Artikels, Articles UK 10 comments

Agapornis roseicollis: dilute versus pallid By Dirk Van den Abeele Ornitho-Genetics VZW MUTAVI, Research & Advice group Published BVA-International Journal 

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Agapornis fischeri dominant reduced

21/10/2020 Dirk Van den Abeele Articles - Artikels, Articles UK One comment

Agapornis fischeri dominant reduced (nm) – mutationem novum Door Dirk Van den Abeele Ornitho-Genetics VZW MUTAVI, Research & Advice Group

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Researchers at Powdermill Nature Reserve observe rare gynandromorph bird

16/10/2020 Dirk Van den Abeele General, Genetics

Researchers at Powdermill Nature Reserve observe rare gynandromorph bird containing both male and female characteristics [Pittsburgh, Pennsylvania, September 28, 2020]

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Birds of the Tres Marías archipelago

15/10/2020 Dirk Van den Abeele General, Taxonomy

The Tres Marías archipelago off western Mexico, is currently considered to have 24 endemic subspecies of landbirds. In a recent

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Recent posts

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