Species by global population
| Common name | Binomial name | Population | Status | Trend | Notes | Image |
|---|---|---|---|---|---|---|
| Rough-faced shag | Phalacrocorax carunculatus | 250-999 [1] | VU [1] |  [1] |  | |
| Chatham shag | Leucocarbo onslowi | 710 [2] | CR [2] |  [2] | ||
| Bounty shag | Leucocarbo ranfurlyi | 874-975 [3] | VU [3] | [3] | ||
| Pitt shag | Phalacrocorax featherstoni | 868 [4] | EN [4] | [4] | ||
| Flightless cormorant | Nannopterum harrisi | 1679 [5] | VU [5] | [5] | In 2013, the population was estimated to be 2,080 individuals. [5] |  |
| Auckland shag | Leucocarbo colensoi | 3,000 [6] | VU [6] | [6] | ||
| Stewart Island shag | Leucocarbo chalconotus | 3,300-5,300 [7] | VU [7] | [7] | Numbers may be overestimated. [7] |  |
| Christmas frigatebird | Fregata andrewsi | 2,400-5,000 (best estimate: 3,700) [8] | VU [8] | [8] |  | |
| Crowned cormorant | Microcarbo coronatus | 4,324 [9] | LC [9] | [9] | ||
| Campbell shag | Leucocarbo campbelli | 8000 [10] | VU [10] | [10] | Estimate hasn't been updated since 1975. [10] | |
| Bank cormorant | Phalacrocorax neglectus | 5,000 [11] | EN [11] | [11] |  | |
| Abbott's booby | Papasula abbotti | 6,000 [12] | EN [12] | [12] | ||
| Red-legged cormorant | Poikilocarbo gaimardi | 19,400-20,300 [13] | NT [13] | [13] |  | |
| Ascension frigatebird | Fregata aquila | 17,000-21,000 [14] | VU [14] | [14] |  | |
| Japanese cormorant | Phalacrocorax capillatus | 25,000-100,000 [15] | LC [15] | Unknown [15] | Population estimate c.2006. [15] |  |
| Nazca booby | Sula granti | 20,000-49,999 [16] | LC [16] | [16] | Minimum estimate. [16] |  |
| Oriental darter | Anhinga melanogaster | 33,000 [17] | NT [17] |  [17] | Minimum estimate. [17] |  |
| Pygmy cormorant | Microcarbo pygmaeus | 45,000-139,999 [18] | LC [18] | [18] |  | |
| Socotra cormorant | Phalacrocorax nigrogularis | 220,000 [19] | VU [19] | [19] |  | |
| Brown booby | Sula leucogaster | 200,000 [20] | LC [20] | [20] | Minimum estimate. [20] |  |
| Red-faced cormorant | Urile urile | 200,000 [21] | LC [21] | [21] | Minimum estimate. [21] | |
| Cape cormorant | Phalacrocorax capensis | 234,000 [22] | EN [22] | [22] |  | |
| Cape gannet | Morus capensis | 246,000 [23] | EN [23] | [23] | Mature population only (~150 000 pairs). [23] |  |
| Northern gannet | Morus bassanus | 1,500,000-1,800,000 [24] | LC [24] | [24] |  | |
| Red-footed booby | Sula sula | 1,400,000 [25] | LC [25] | [25] | Minimum estimate. [25] |  |
| Great cormorant | Phalacrocorax carbo | 1,400,000-2,100,000 [26] | LC [26] | [26] | Population estimate c.2015 [26] |  |
| Neotropic cormorant | Nannopterum brasilianum | 2,000,000 [27] | LC [27] | [27] |  | |
| Guanay cormorant | Leucocarbo bougainvilliorum | 2,500,000 – 4,999,999 [28] | NT [28] | [28] |  | |
