Genus

Brown-backed Terns

Onychoprion

2 species in our catalog · found in 14 parks

KingdomAnimalia (Animals)
PhylumChordata (Chordates)
ClassAves (Birds)
OrderCharadriiformes (Shorebirds and Allies)
FamilyLaridae (Gulls, Terns, and Skimmers)
GenusOnychoprion (Brown-backed Terns)

Species in this group

Onychoprion anaethetus

Daily sighting probability ~40% · Likely

Onychoprion fuscatus

Daily sighting probability <5% · Rare

Daily sighting probability by month

Probability-weighted average across the group's species

~30%

Jan

~30%

Feb

~20%

Mar

~20%

Apr

~10%

May

~10%

Jun

~10%

Jul

~10%

Aug

~10%

Sep

~40%

Oct

~30%

Nov

~30%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Brown-backed Terns

Warmer areas are where this group is recorded most often. Our parks Our cities In captivity: 2 zoos & centres

Parks Ranked

#	Park	Country	Species	Daily sighting probability
1	Rottnest Island	🇦🇺 Australia	1 of 2	~40%
	Bridled Tern			~40%
2	Komodo National Park	🇮🇩 Indonesia	1 of 2	~10%
	Bridled Tern			~10%
3	Raja Ampat	🇮🇩 Indonesia	2 of 2	~10%
	Bridled Tern			~10%
	Sooty Tern			<5%
4	Coiba National Park	🇵🇦 Panama	1 of 2	~10%
	Bridled Tern			~10%
5	Ningaloo Marine Park	🇦🇺 Australia	1 of 2	<5%
	Bridled Tern			<5%
6	Cape Range	🇦🇺 Australia	1 of 2	<5%
	Bridled Tern			<5%
7	Yala National Park	🇱🇰 Sri Lanka	1 of 2	<5%
	Bridled Tern			<5%
8	Manuel Antonio National Park	🇨🇷 Costa Rica	1 of 2	<5%
	Bridled Tern			<5%
9	Cabo Blanco Absolute Nature Reserve	🇨🇷 Costa Rica	1 of 2	<5%
	Bridled Tern			<5%
10	Galápagos Islands	🇪🇨 Ecuador	1 of 2	<5%
	Sooty Tern			<5%
11	Corcovado National Park	🇨🇷 Costa Rica	1 of 2	<5%
	Bridled Tern			<5%
12	Daintree National Park	🇦🇺 Australia	1 of 2	<5%
	Bridled Tern			<5%
13	Bastimentos Island National Marine Park	🇵🇦 Panama	1 of 2	<5%
	Bridled Tern			<5%
14	Everglades National Park	🇺🇸 United States	1 of 2	<5%
	Sooty Tern			<5%

Cities Ranked

#	City	Country	Species	Daily sighting probability
1	Auckland	🇳🇿 New Zealand	1 of 2	~10%
	Sooty Tern			~10%
2	Mumbai	🇮🇳 India	2 of 2	~10%
	Bridled Tern			~10%
	Sooty Tern			<5%
3	Wenzhou	🇨🇳 China	1 of 2	<5%
	Bridled Tern			<5%
4	Dakar	🇸🇳 Senegal	1 of 2	<5%
	Bridled Tern			<5%
5	Shanghai	🇨🇳 China	1 of 2	<5%
	Bridled Tern			<5%
6	Kozhikode	🇮🇳 India	1 of 2	<5%
	Bridled Tern			<5%
7	Colombo [Sri Jayawardenepura Kotte]	🇱🇰 Sri Lanka	2 of 2	<5%
	Bridled Tern			<5%
	Sooty Tern			<5%
8	Kollam	🇮🇳 India	1 of 2	<5%
	Bridled Tern			<5%
9	Hong Kong	🇨🇳 China	1 of 2	<5%
	Bridled Tern			<5%
10	Kochi	🇮🇳 India	1 of 2	<5%
	Bridled Tern			<5%
11	Singapore	🇸🇬 Singapore	1 of 2	<5%
	Bridled Tern			<5%
12	Miami	🇺🇸 United States	1 of 2	<5%
	Sooty Tern			<5%

Zoos & Centres Where Found

#	Zoo / Centre	Country
1	Perth Zoo	🇦🇺 Australia	In captivity
2	Caversham Wildlife Park	🇦🇺 Australia	In captivity

Brown-backed Terns

Species in this group

Bridled Tern

Sooty Tern

Daily sighting probability by month

When they're spotted

Where to see Brown-backed Terns

Parks Ranked

Cities Ranked

Zoos & Centres Where Found