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Dirk Van den Abeele

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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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  • FAQ: Is it possible for a color mutation once it has been introgressed into another species to look different than in the original species

    25/08/2025 Dirk Van den Abeele

    FAQ: Is it possible for a color mutation, once it has been introgressed into another species, to look different than in the original species? Answer:

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Eurasian Bullfinch mysteries – Goudvink mysteries

02/12/2022 Dirk Van den Abeele General One comment

English translation below Deze week werden we gecontacteerd door Dhr. Rudi Liebens. Deze liefhebber van goudvinken [Pyrrhula pyrrhula] had recent

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FAQ: Riparian Parrotlet

24/11/2022 Dirk Van den Abeele FAQ, General

FAQ: Riparian Parrotlet? We have recently discovered on a website info about Forpus Crasirostris, the strange thing is that they

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MutaBase: colour mutations in Pyrrhura (Psittacidae)

29/10/2022 Dirk Van den Abeele General, MutaBase

We added an overview of colour mutations in Pyrrhura in MutaBase. As always, this is a basic list and can

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FAQ: what about fallow Pyrrhura molinae?

02/10/2022 Dirk Van den Abeele FAQ, General 3 comments

FAQ: what about fallow Pyrrhura molinae? There are a lot of questions about the fallow Pyrrhura molinae, but the most

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FAQ: Taxonomic classification of the genus Pyrrhura?

24/09/2022 Dirk Van den Abeele FAQ, General

FAQ: What is the contemporary taxonomic classification of the genus Pyrrhura? This is the most recent list. Please keep in

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Study on feather-damaging behavior – FDB

12/07/2022 Dirk Van den Abeele General

Yesterday the results of an interesting study into feather plucking (feather-damaging behavior – FDB) at Agapornis roseicollis is published online.

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MutaBase: mutations in cockatiels [Nymphicus hollandicus]

14/05/2022 Dirk Van den Abeele MutaBase

We added an overview of colour mutations in cockatiels [Nymphicus hollandicus] in MutaBase. As always, this is a basic list

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Articles on genetics

07/05/2022 Dirk Van den Abeele General 3 comments

Almost daily we receive questions about genetics and how colour mutations are inherited, what are alleles, what is a crossing-over….etc.

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FAQ: what alleles are known/proven of the SL ino gene?

21/04/2022 Dirk Van den Abeele FAQ

FAQ: what alleles are known/proven of the SL ino gene? Till now, five different alleles  of the SL ino gene

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Pale mutation in Indian Ringneck parrot?

15/04/2022 Dirk Van den Abeele General

I had recently an interesting conversation with Mr. Chris Antony, a bird breeder from Australia. He informed me about a

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Indian ringneck parrot

11/04/2022 Dirk Van den Abeele General

In the context of a DNA study into the genome of the Indian ringneck parrot (Psittacula krameri), we would like

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FAQ: what about capitals in scientific names?

28/03/2022 Dirk Van den Abeele FAQ

FAQ: what about capitals in scientific names? The genus name is written first, followed by the species name and –

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FAQ: Neophema bourkii or Neopsephotus bourkii

16/03/2022 Dirk Van den Abeele FAQ

FAQ: Some taxonomist list include Bourke’s parrot in Neophema others in Neopsephotus. Is it Neophema bourkii or Neopsephotus bourkii? Bourke’s

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Mutations in Cockatiels [Nymphicus hollandicus ]

01/03/2022 Dirk Van den Abeele General

As announced last week we will update MutaBase in the upcoming weeks with the list of colour mutations in Cockatiels

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MutaBase

27/02/2022 Dirk Van den Abeele General

In early 2000, Dr Terry Martin BVSc, published his book “A Guide to Colour Mutations and Genetics in Parrots” containing

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FAQ: eye color young pale Agapornis fischeri

08/02/2022 Dirk Van den Abeele General

FAQ: some breeder claims that they have pale Agapornis fischeri and that not all pale youngsters are born with red

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Recent posts

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