Okay, let's go through this again
1 Yellow-shouldered amazon
2 (Mataco) three-banded armadillo
3 White-naped crane
4 West African slender-snouted crocodile
5 Atlantic bottle-nosed dolphin
6 Hairy-breasted bleeding heart dove
7 White-faced whistling duck
8 Bat-eared fox (idk which subspecies)
9 Golden-eyed tree frog
10 Yellow-headed day gecko
11 Agile/Black-handed gibbon
12 White-tailed gnu
13 Goldcrest
14 Greenshank
15 Blue-crowned hanging parrot
16 Blue-eyed black lemur
17 Yellow-backed chattering lory
18 Red-fronted Macaw
19 Yellow-throated marten (idk which subspecies)
20 Blue-spotted tree monitor
21 Scimitar-horned oryx
22 Plum-headed parrot
23 Brown eared pheasant
24 Lilac-breasted roller
25 Pot-bellied seahorse
26 Blacktip reef shark
27 Two-toed sloth
28 Snake-necked turtle (I cannot tell which species)
The odd one out is Brown eared pheasant, because the black does not describe the ears
All of them have body parts in their name
The order is listed alphabetically minus the adjectives/prefixes
How far are we, gentle lemur?