A bird that spends its life rocking two completely different fashion statements depending on the time of year. During the summer breeding season, it looks like a classic, sharp-dressed seabird with a crisp black cap, a silvery-white body, a deeply forked tail, and a bright orange beak tipped with black. But when winter rolls around, it undergoes a total makeover. It sheds the black cap entirely, leaving its head pure white except for a bold, jet-black patch over each eye. This gives it the unmistakable look of a tiny, feathered raccoon or a comic-book superhero wearing a sleek bandit mask. Unlike many of its world-traveling relatives that span multiple continents, the Forster’s tern is also a fiercely proud North American local, spending its entire year breeding, hunting, and wintering almost exclusively across this single continent.
While most terns are obsessed with sandy ocean beaches or remote rocky islands, the Forster’s tern is a dedicated marsh specialist. It skips the coast during the nesting season to set up shop in quiet freshwater marshes, estuaries, and wetlands. Because marshes are prone to sudden flooding, these birds have developed a brilliant piece of natural engineering: they build floating nests. Woven tightly from dead marsh grasses and reeds, these buoyant rafts can actually bob up and down with changing water levels, keeping their precious eggs perfectly high and dry.
Life in the wetlands has also shaped the Forster’s tern into an incredibly agile and sharp-eyed hunter. Instead of diving deep into the crashing waves of the ocean, it hovers gracefully over shallow, glassy marsh waters, tilting its head downward to scan for minnows, frogs, and aquatic insects. When it spots a target, it drops like a stone, snapping up its meal with pinpoint accuracy before smoothly pulling back into the air.
Distribution
Antigua & Barbuda
Bahamas
Belize
Bermuda
Brazil
British Virgin Is.
Canada
Cayman Islands
Costa Rica
Cuba
Dominican Republic
El Salvador
Guadeloupe
Guatemala
Haiti
Honduras
Iceland
Ireland
Jamaica
Mexico
Montserrat
Netherlands
Nicaragua
Panama
Portugal
Puerto Rico
Saint Vincent
Spain
Turks & Caicos
US Virgin Islands
United Kingdom
United StatesAnything we've missed?
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Terrestrial / Aquatic
Altricial / Precocial
Polygamous / Monogamous
Dimorphic (size) / Monomorphic
Active: Diurnal / Nocturnal
Social behavior: Solitary / Pack / Flock
Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore
Migratory: Yes / No
Domesticated: Yes / No
Dangerous: Yes / No
