Cook's Petrel

40-45 cm

antarctic-petrel

Thalassoica antarctica

25-28 cm

antarctic-prion

Pachyptila desolata

43-48 cm

atlantic-petrel

Pterodroma incerta

30-32 cm

audubons-shearwater

Puffinus lherminieri

30-38 cm

balearic-shearwater

Puffinus mauretanicus

30-33 cm

bannerman%27s-shearwater

Puffinus bannermani

35-38 cm

baraus-petrel

Pterodroma baraui

25-28 cm

beck%27s-petrel

Pseudobulweria becki

35-39 cm

bermuda-petrel

Pterodroma cahow

44-46 cm

black-petrel

Procellaria parkinsoni

36-40 cm

black-capped-petrel

Pterodroma hasitata

33-38 cm

black-vented-shearwater

Puffinus opisthomelas

29-32 cm

black-winged-petrel

Pterodroma nigripennis

26-30 cm

blue-petrel

Halobaena caerulea

28-30 cm

bonin-petrel

Pterodroma hypoleuca

25-30 cm

broad-billed-prion

Pachyptila vittata

29-31 cm

bryan%27s-shearwater

Puffinus bryani

46-47 cm

buller%27s-shearwater

Ardenna bulleri

25-28 cm

bulwers-petrel

Bulweria bulwerii

35-40 cm

cape-petrel

Daption capense

33-36 cm

cape-verde-petrel

Pterodroma feae

40-48 cm

cape-verde-shearwater

Calonectris edwardsii

30-32 cm

chatham-islands-petrel

Pterodroma axillaris

30-38 cm

christmas-shearwater

Puffinus nativitatis

33-36 cm

collared-petrel

Pterodroma brevipes

18-22 cm

common-diving-petrel

Pelecanoides urinatrix

45-56 cm

cory%27s-shearwater

Calonectris borealis

35-38 cm

desertas-petrel

Pterodroma deserta

23-28 cm

fairy-prion

Pachyptila turtur

25-30 cm

fiji-petrel

Pseudobulweria macgillivrayi

40-45 cm

flesh-footed-shearwater

Ardenna carneipes

30-35 cm

fluttering-shearwater

Puffinus gavia

25-30 cm

fulmar-prion

Pachyptila crassirostris

40-43 cm

galapagos-petrel

Pterodroma phaeopygia

28-30 cm

galapagos-shearwater

Puffinus subalaris

43-51 cm

great-shearwater

Ardenna gravis

38-45 cm

great-winged-petrel

Pterodroma macroptera

45-50 cm

grey-petrel

Procellaria cinerea

40-45 cm

grey-faced-petrel

Pterodroma gouldi

40-43 cm

hawaiian-petrel

Pterodroma sandwichensis

28-32 cm

heinroth%27s-shearwater

Puffinus heinrothi

35-38 cm

henderson-petrel

Pterodroma atrata

35-40 cm

herald-petrel

Pterodroma heraldica

36-38 cm

hutton%27s-shearwater

Puffinus huttoni

30-35 cm

jamaican-petrel

Pterodroma caribbaea

30-33 cm

jouanins-petrel

Bulweria fallax

40-45 cm

juan-fernandez-petrel

Pterodroma externa

33-36 cm

kerguelen-petrel

Aphrodroma brevirostris

36-40 cm

kermadec-petrel

Pterodroma neglecta

40-45 cm

large-saint-helena-petrel

Pterodroma rupinarum

25-30 cm

little-shearwater

Puffinus assimilis

25-28 cm

macgillivray%27s-prion

Pachyptila macgillivrayi

20-25 cm

magellanic-diving-petrel

Pelecanoides magellani

35-38 cm

magenta-petrel

Pterodroma magentae

30-38 cm

manx-shearwater

Puffinus puffinus

33-36 cm

masatierra-petrel

Pterodroma defilippiana

30-35 cm

mascarene-petrel

Pseudobulweria aterrima

33-36 cm

mottled-petrel

Pterodroma inexpectata

35-40 cm

murphy%27s-petrel

Pterodroma ultima

30-33 cm

newell%27s-shearwater

Puffinus newelli

43-52 cm

northern-fulmar

Fulmarus glacialis

80-95 cm

northern-giant-petrel

Macronectes halli

29-31 cm

persian-shearwater

Puffinus persicus

20-25 cm

peruvian-diving-petrel

Pelecanoides garnotii

33-36 cm

phoenix-petrel

Pterodroma alba

48-50 cm

pink-footed-shearwater

Ardenna creatopus

38-40 cm

providence-petrel

Pterodroma solandri

26-28 cm

pycroft%27s-petrel

Pterodroma pycrofti

30-33 cm

rapa-shearwater

Puffinus myrtae

25-30 cm

salvin%27s-prion

Pachyptila salvini

43-48 cm

scopoli%27s-shearwater

Calonectris diomedea

40-45 cm

short-tailed-shearwater

Ardenna tenuirostris

25-28 cm

slender-billed-prion

Pachyptila belcheri

25-30 cm

small-saint-helena-petrel

Bulweria bifax

30-40 cm

snow-petrel

Pagodroma nivea

32-38 cm

soft-plumaged-petrel

Pterodroma mollis

40-51 cm

sooty-shearwater

Ardenna grisea

18-22 cm

south-georgia-diving-petrel

Pelecanoides georgicus

45-50 cm

southern-fulmar

Fulmarus glacialoides

80-95 cm

southern-giant-petrel

Macronectes giganteus

51-58 cm

spectacled-petrel

Procellaria conspicillata

30-32 cm

stejneger%27s-petrel

Pterodroma longirostris

48-50 cm

streaked-shearwater

Calonectris leucomelas

30-35 cm

subantarctic-shearwater

Puffinus elegans

38-42 cm

tahiti-petrel

Pseudobulweria rostrata

28-31 cm

townsend%27s-shearwater

Puffinus auricularis

35-40 cm

trindade-petrel

Pterodroma arminjoniana

27-33 cm

tropical-shearwater

Puffinus bailloni

40-45 cm

wedge-tailed-shearwater

Ardenna pacifica

50-55 cm

westland-petrel

Procellaria westlandica

18-20 cm

whenua-hou-diving-petrel

Pelecanoides whenuahouensis

51-58 cm

white-chinned-petrel

Procellaria aequinoctialis

43-46 cm

white-headed-petrel

Pterodroma lessonii

40-45 cm

white-necked-petrel

Pterodroma cervicalis

30-32 cm

white-winged-petrel

Pterodroma leucoptera

34-39 cm

yelkouan-shearwater

Puffinus yelkouan

27-30 cm

zino%27s-petrel

Pterodroma madeira