Now I love cotw, I play it almost everyday. But I have a hard time finding animals on a map with a low amount of species. So in my opinion, these are my personal backfill species.
[this is my opinion and some people might not agree with me about it]
[C = class]
Hirschfelden🇩🇪
Common quail [c1]
Northern shoveler [c1]
Common pochard [c1]
European jackal [c2]
Northeastern European lynx [c3]
European mouflon [c5]
Layton lakes 🇺🇸
Gadwall [C1]
Wood duck [C1]
Northern pintail [C1]
Ruffled grouse [C1]
Mountain goat [C4]
Bighorn sheep [C5]
Mule deer [C5]
Medved taiga 🇷🇺
Pacific common eider [C1]
Mountain hare [C1]
Willow ptarmigan [C1]
Arctic Fox [C2]
Mainland raccoon dog [C2]
Snow sheep [C5]
Musk ox [C9]
Vurhonga Savana 🇿🇦
Egyptian goose [C1]
African black duck [C1]
Impala [C4]
Red hartebeest [C6]
Nyala [C7]
Common waterbuck [C7]
Cape eland [C8]
Southern African crocodile [C8]
Parque Fernando 🇦🇷
Brazilian teal [C1]
Fulvous whistling duck [C1]
South American fox [C2]
Gray brocket [C3?]
Pampas deer [C4]
Wild hogs [C5]
Yukon valley 🇨🇦
Barrow’s goldeneye [C1]
Common scoter [C1]
Rock ptarmigan [C1]
Dall sheep [C4]
Mountain goat [C4]
Black tailed deer [C4]
Roosevelt elk [C7]
Cuatro colinas🇪🇸
Common shelduck [C1]
Tufted duck [C1]
Chukar [C1]
Golden jackal [C2]
Pyrenean chamois [C3]
Fallow deer [C4]
Aoudad [C5]
Te awaroa🇳🇿
Brown quail [C1]
Paradise shelduck [C1]
Australian wood duck [C1]
New Zealand scaup [C1]
Sambar [C7]
New England mountain 🇺🇸
Wood duck [C1]
American black duck [C1]
Ring neck duck [C1]
Ruffled grouse [C1]
Emerald coast🇦🇺
Australian wood duck [C1]
Pacific black duck [c1]
Sundarpatan 🇳🇵
Ruddy shelduck [C1]
Snow partridge [C1]
Tibetan snowcock [C1]
Himalayan monal [C1]
Grey Himalayan goral [C3]
Himalayan brown bear [C7]
Salzwiesen park
Western capercaillie [C1]
Northern shoveler [C1]
Ross goose [c1]
Common scoter [C1]