BCD,BCD,BCD,BCD,BCD,BCD,BCD,BCD,BCD,BCD,Introducing,Bird,Chromosome,Database:,Overview,Cytogenetic,Studies,Birds,Bird,chromosomes,,investigated,scientifically,century,,present,number,unique,features,general,,bird,karyotypes,high,diploid,number,,2n,,typically,around,80,chromosomes,divided,macro-,microchromosomes,recent,decades,,FISH,studies,using,whole,chromosome,painting,probes,shown,macrochromosomes,evolved,inter-,intrachromosomal,rearrangements,However,,chromosome,painting,data,available,bird,species,,hinders,systematic,approach,understanding,evolutionary,history,enigmatic,bird,karyotype,Thus,,decided,create,innovative,database,compilation,cytogenetic,data,available,birds,,including,chromosome,numbers,results,chromosome,painting,chicken,,Gallus,gallus,,probes,data,obtained,extensive,literature,review,,focused,cytogenetic,studies,published,2019,first,version,"Bird,Chromosome,Database,,BCD,",,https://sites.unipampa.edu.br/birdchromosomedatabase,,compiled,data,chromosome,numbers,1,067,bird,species,chromosome,painting,data,96,species,found,considerable,variation,diploid,numbers,,ranged,40,142,,although,,around,50%,,species,studied,now,78,82,chromosomes,Despite,importance,cytogenetic,research,,chromosome,painting,applied,less,1%,bird,species,BCD,will,enable,researchers,identify,main,knowledge,gaps,bird,cytogenetics,,including,under-sampled,groups,,make,inferences,chromosomal,homologies,phylogenetic,studies.<br>,Introducing,Bird,Chromosome,Database:,Overview,Cytogenetic,Studies,Birds,Bird,chromosomes,,investigated,scientifically,century,,present,number,unique,features,general,,bird,karyotypes,high,diploid,number,,2n,,typically,around,80,chromosomes,divided,macro-,microchromosomes,recent,decades,,FISH,studies,using,whole,chromosome,painting,probes,shown,macrochromosomes,evolved,inter-,intrachromosomal,rearrangements,However,,chromosome,painting,data,available,bird,species,,hinders,systematic,approach,understanding,evolutionary,history,enigmatic,bird,karyotype,Thus,,decided,create,innovative,database,compilation,cytogenetic,data,available,birds,,including,chromosome,numbers,results,chromosome,painting,chicken,,Gallus,gallus,,probes,data,obtained,extensive,literature,review,,focused,cytogenetic,studies,published,2019,first,version,"Bird,Chromosome,Database,,BCD,",,https://sites.unipampa.edu.br/birdchromosomedatabase,,compiled,data,chromosome,numbers,1,067,bird,species,chromosome,painting,data,96,species,found,considerable,variation,diploid,numbers,,ranged,40,142,,although,,around,50%,,species,studied,now,78,82,chromosomes,Despite,importance,cytogenetic,research,,chromosome,painting,applied,less,1%,bird,species,BCD,will,enable,researchers,identify,main,knowledge,gaps,bird,cytogenetics,,including,under-sampled,groups,,make,inferences,chromosomal,homologies,phylogenetic,studies.<br>