Facts About the Fascinating Terror Birds

Terror Birds are one of the most interesting birds that ever lived.
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Every species of terror bird, if you're interested:

Species
Height(If known)
Weight(If known)
Remains
Time period

Brontornis burmeisteri
2.8m (9.1 ft)
350-400kg (770-880 lb)
Legs, feet, fragments of skull and vertebrae
17.5 to 16.6 Mya Miocene of Argentina

Physornis fortis
Over 2m (6.5 ft)
Jaw fragment
29.2 to 26.3 Mya Deseaden of Argentina, Oligocene-
Miocene of Brazil

Paraphysornis brasiliensis
2.4m (7.9 ft)
180 kg (400 lb)
Mostly complete skeleton
29.4 to 15.9 Mya Rupelian to Langhian of Brazil


Llallawavis scagliai
1.2m (3.9 ft)
18kg (39.6lb)
Mostly complete skeleton
3.5 Mya
Pliocene of Argentina

Mesembriornis
incertus and milneedwarsi
1.5m (4.9ft)
Unspecified fragments
5.3 to 4 Mya Montehermosan of Argentina


Andalgalornis steulleti
1.4m (4.6ft)
40kg (88.1lb)
An incomplete skeleton
9 to 6.8 Mya Huayqueria of Argentina

Andrewsornis abboti
1.7m (5.6ft)
Incomplete skull, piece of a coracoid, pieces of toe bones
29 to 21 Mya Deseadean of Argentina

Patagornis marshi
1.7m (5.6ft)
45 to 50kg (99.2 to 110lb)
Skull fragments
17.5 to 11.6 Mya Santacrucian to Laventan of Argentina


Eleutherornis cotei
1.5m (4.9ft)
Distal end of of the tarsometatarsus, part of the pelvis, part of the synsacrum, various phalanges
43.5 to 41.2 Mya Lutetian of France and Switzerland

Palaeopsilopterus affinus
1m (3.3 ft)
Proximal portion of the right tarsometatarsus
58.7 to 48.6 Mya Late Palaeocene to Late Eocene of Brazil

Psilopterus bachmani
0.8m (2.6ft)
5kg (11lb)
A mostly complete skeleton, a tarsometatarsus and various other leg bones
17.5 to 11.6 Mya Santacrucian of Argentina

Psilopterus lemoinei
Slightly taller than P. bachmani
7kg (15.4lb)
A tibiotarsus, a maxilla, and various other bones
17.5 to 16.3 Mya of Argentina

Psilopterus affinus
Part of the tarsometatarsus
29 to 21 Mya Deseadean of Argentina

Psilopterus colzecus
Incomplete skeleton
10 to 6 Mya Chasicoan of Argentina

Procariama simplex
0.7m
10kg (22lb)
Jaw bones, vertebrae, pieces of wing and leg bones
6.8 to 4 Mya
Huayquerian to Montehermosan of Argentina


Phorusrhacos longissimus
2.4m (7.9ft)
130kg (287lb)
Proximal portion of the right tarsometatarsus
58.7 to 48.6 Mya Late Palaeocene to Late Eocene of Argentina

Kelenken guillermoi
2.2 to 3m (7.2 to 9.8ft)
Mostly complete skull, left ‬tarsometatarsus, piece of pedal phalanx
15.5 to 13.8 Mya Langhian of Argentina

Devincenzia pozzi
2.5m (8.2ft)
Incomplete skull, various phalanges, tarsometatarsus
29 to 21 Mya
Deseadean to Montehermosa of Uruguay

Titanis walleri
2.5m (8.2ft)
150kg (331lb)
Postcranial fragments
Zanclean to Gelacian of Florida and Texas


Lavocatavis africana
1.5m (4.9 ft)
Right femur
55.8 to 40.4 Mya
Eocene of Algeria

Refs:
http://www.prehistoric-wildlife.com/s...
https://www.ncbi.nlm.nih.gov/pmc/arti...
http://www.bbc.com/earth/story/201507...
https://www.livescience.com/50443-ter...
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://prehistoric-fauna.com/Paraphy...
https://www.scielo.br/scielo.php?scri... 000400001
http://www.prehistoric-wildlife.com/s...
https://www.sciencemag.org/news/2015/...
https://www.researchgate.net/publicat...
https://www.researchgate.net/publicat...
http://www.prehistoric-wildlife.com/s...
https://www.scielo.br/pdf/paz/v43n4/1...
http://www.prehistoric-wildlife.com/s...
http://www.prehistoric-wildlife.com/s...
http://www.prehistoric-wildlife.com/s...
http://www.prehistoric-wildlife.com/s...
https://assets.speakcdn.com/assets/23...
https://journals.plos.org/plosone/art...
https://www.cambridge.org/core/journa...
https://journals.plos.org/plosone/art...
http://www.prehistoric-wildlife.com/s...
http://fossilworks.org/?a=taxonInfo&t...
http://www.prehistoric-wildlife.com/s...