Table:
0
A
B
C
D
E
F
1
Ostrich
Hamerkop
Hadeda Ibis
African Spoonbill
Whitefaced Duck
Knobbilled Duck
2
Egyptian Goose
Secretary Bird
Cape Vulture
Lappet-faced Vulture
White-backed Vulture
Tawny Eagle
3
Wahlberg's Eagle
Martial Eagle
Brown Snake Eagle
Black-breasted Snake Eagle
Bateleur
African Fish Eagle
4
Dark Chanting Goshawk
Gabar Goshawk
Crested Francolin
Swainson's Francolin
Common Quail
Melba Finch
5
Helmeted Guineafowl
Blue Waxbill
Violet-eared Waxbill
White-browed sparrow weaver
Paradise Whydah [ disambiguation needed ]
Kori Bustard
6
Lesser Masked Weaver
Black Korhaan
Redcrested Korhaan
Crowned Plover
Blacksmith Plover
Spotted Dikkop
7
Double-banded Sandgrouse
Rock Pigeon
Red-eyed Dove
Cape Turtle Dove
Laughing Dove
Namaqua Dove
8
Green-spotted Dove
Grey Lourie
Jacobin Cuckoo
Diederik Cuckoo
Burchell's Coucal
Barn Owl
9
White-faced Owl
Pearl-spotted Owlet
Flernecked Nightjar
Rufous-cheeked Nightjar
European Bee-eater
Little Bee-eater
10
Blue-cheeked Bee-eater
European roller
Purple Roller
Lilac-breasted Roller
Hoopoe
Grey Hornbill
11
Yellow-billed Hornbill
Red-billed Hornbill
Pied Barbet
European Swallow
Fork-tailed Drongo
Pied Crow
12
Brown-hooded Kingfisher
Titbabbler
Puffback
Long-billed Crombec
Wattled Starling
Burchell's Starling

Questions and formulas:
Question: What is the African Spoonbill when the Hadeda Ibis is the Brown Snake Eagle?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="Brown Snake Eagle"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F12,C2:C12="Brown Snake Eagle"),4))
Level: medium
Question: What is the Hadeda Ibis when the Ostrich is Dark Chanting Goshawk?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="Dark Chanting Goshawk"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F12,A2:A12="Dark Chanting Goshawk"),3))
Level: medium
Question: What is the African Spoonbill when the Hadeda Ibis is Flernecked Nightjar?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="Flernecked Nightjar"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F12,C2:C12="Flernecked Nightjar"),4))
Level: medium
Question: What is the Hadeda Ibis when the Knobbilled Duck is Pied Crow?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="Pied Crow"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F12,F2:F12="Pied Crow"),3))
Level: medium
Question: What is the African Spoonbill when the Ostrich is Brown-hooded Kingfisher?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="Brown-hooded Kingfisher"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F12,A2:A12="Brown-hooded Kingfisher"),4))
Level: medium
Question: What is the Hadeda Ibis when the Whitefaced Duck is Blacksmith Plover?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="Blacksmith Plover"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F12,E2:E12="Blacksmith Plover"),3))
Level: medium