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Table 3 Total number of interchromosomal rearrangements involving microchromosomes in 21 avian species compared to chicken

From: Reconstruction of gross avian genome structure, organization and evolution suggests that the chicken lineage most closely resembles the dinosaur avian ancestor

Species

Total number of interchromosomal changes involving macro- and microchromosomes

Interchromosomal changes between microchromosomes only

Haploid chromosome number (difference fromn = 40)

Adélie penguin (Pygoscelis adeliae)

6

0

48 (8)

American crow (Corvus brachyrhynchos)

1

0

40 (0)

Common cuckoo (Cuculus canorus)

1

0

?

Pekin duck (Anas platyrhynchos)

0

0

40 (0)

Little egret (Egretta garzetta)

4

1

33 (7)

Emperor penguin (Aptenodytes forsteri)

5

0

36 (5)

Peregrine falcon (Falco peregrinus)

6

4

25 (15)

Zebra finch (Taeniopygia guttata)

0

0

40 (0)

Hoatzin (Ophisthocomus hoazin)

3

0

?

Anna’s hummingbird (Calypte anna)

0

0

37 (3)

Crested ibis (Nipponia nippon)

6

0

34 (6)

Killdeer (Charadrius vociferous)

1

0

38 (2)

Golden collared manakin (Manacus vitellinus)

0

0

?

Medium ground finch (Geospiza fortis)

0

0

?

Ostrich (Struthio camelus)

11

0

40 (0)

Budgerigar (Melopsittacus undulates)

11

2

29 (11)

Rock dove (Columba livia)

1

0

40 (0)

Chimney swift (Chaetura pelagica)

1

0

?

Turkey (Meleagris gallopavo)

2

0

40 (0)

Downy woodpecker (Picoides pubescens)

4

1

?

Chicken (Gallus gallus)

0

0

39 (1)

  1. As detected by bioinformatic approaches [37] and compared to the published haploid number of chromosomes in each species [9]. For counts of all interchromosomal rearrangements in the bird genomes see [37].