Coastal Animals

We explain what the animals of the coast are and give you examples from the coasts of Mexico, Peru, Ecuador and the Mediterranean Sea.

coastal animals hawksbill turtle
The hawksbill turtle is one of the endangered sea turtles.

What are the animals of the coast?

The coast is the part of a continent or an island that borders the sea, ocean or other body of water of great extension. It presents varied landscapes that can be rocky or sandy and that can be modified by various factors such as climate, wind, waves, tide, biological activity and human activity.

Regarding this last factor, in 1988 the Spanish Coastal Law was created in order to preserve this type of unique and natural spaces from overexploitation by humans.

The coastal habitat oscillates between the open air and the bottom of the sea where there are numerous species of terrestrial and marine animals. Some animals live in the sea and only go to land to lay their eggs (like the hawksbill turtle).

Depending on the latitude and the area in which the coasts are located, different types of animals live such as seagulls, dolphins, whales, iguanas, parakeets, parrots, howler monkeys and penguins.

Animals of the Mexican coast

animals of the mexican coast manatee
The manatee is nocturnal and feeds on aquatic plants.

The Mexican coast extends over the west of the country along with numerous islands in the Pacific Ocean and, to the east, over the Atlantic Ocean and the Gulf of Mexico region (where a basin is formed between the coastlines of Mexico, the United States and Cuba).

Due to its location close to the equator, Mexico has a tropical and temperate climate, which allows numerous and varied species to live on its coasts, such as the flamingo, the iguana, the turtle, the squid, the ocelot, the tarantula and the shark. The great biodiversity in the Gulf area stands out in particular.

Among other animals that inhabit the Mexican coast, the following stand out:

  • The little pig Also called “vaquita de mar”, it is a cetacean relative of the whale and the dolphin, which can reach one and a half meters in length and weigh up to 50 kilograms. It feeds on fish and shrimp. It is one of the most endangered species in the world, which is in danger of extinction.
  • The Guadalupe fur seal It is a mammal that lives only on the island of Guadeloupe. Its fur is thick and dark brown. Around 1900 it was believed to be extinct as a result of illegal fur hunting. Starting in 1928, the Mexican government implemented measures to protect it that were essential to save it.
  • The manatee Also known as a “sea cow,” it is similar to a whale, but smaller. Its skin is gray, its tail is spoon-shaped and it has whiskers on its snout. It is nocturnal and feeds on water plants. He has a very good sense of sight and smell.
  • The spider monkey Its name is due to the length of its limbs. It is diurnal and sleeps on the branches of trees, which it selects carefully so as not to be caught by possible predators, such as snakes. It is capable of making a wide variety of sounds similar to the barking of a dog.
  • The unicorn peacock It is a species of galliform bird that lives in the humid forests of the south. It can measure up to 85 centimeters tall and is characterized by having a red horn on its head. Its plumage is blue-black and shiny, with a white stripe down the middle of the tail. It feeds on fruits and leaves.

Animals of the Peruvian coast

animals of the peruvian coast guanay
The guanay forms colonies on the islands off the Peruvian coast.

The Peruvian coast extends over the Pacific Ocean, in the southern hemisphere of America, and is divided into three parts:

  • The north coast It has a semi-tropical climate with an average temperature of 24 degrees.
  • The central coast It has a subtropical climate with an average temperature of 19 degrees.
  • The south coast It has an average temperature of 17 degrees.
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Depending on the climate variations along the entire Peruvian coast, different animals live there. For example, in the north live the black heron, the white heron, the earwig (a bird that flies over the Tumbes estuaries, in Lima), the iguana, the American crocodile (which is in danger of extinction), the snake, the black widow and the scorpion.

In the central and southern area of ​​the Peruvian coast, the pigeon, the dove, the sparrow, the thrush, the parakeet, the parrot, the sparrowhawk and the pelican live.

The following animals can be seen along the entire Peruvian coast:

  • The Peruvian vizcacha Also known as “northern vizcacha”, it is one of the most common rodents in the Pampa Galeras National Reserve, in Lima. It usually lives in rocky areas with little vegetation. It is very agile and can jump from rock to rock.
  • Sechura's fox It is the smallest of the South American foxes and inhabits the dry forest area and the Sechura desert. It is a nocturnal and solitary dog. Its head is relatively small and it has long ears. It feeds on fruits, rodents, small reptiles and birds.
  • The guanay It is a bird that lives on the islands of the Peruvian coast, forming colonies and coexisting with other animal species. It can reach a height of up to 80 centimeters. Its plumage is black, except in the throat and chest area, which has white feathers.
  • The red-headed buzzard It is a variety of vulture that lives in forested, desert and mountain areas. It can reach 70 centimeters in height and 1.80 meters in length with its wings spread. Its plumage is black and its head is red (hence its name). They feed on carrion.
  • The sea lion It is a species endemic to South America and feeds on fish and squid. The males are grayish in color during their youth and, as the years go by, their skin darkens and they grow a mane. They can weigh 350 kilograms. Females are yellowish brown in color and can reach a weight of 150 kilograms.
  • The sea turtle It is one of the most valuable reptiles in the biodiversity of Peru because 5 of the 7 species of sea turtles in the world live on its coasts: the “green” (it has the largest shell), the “bigheaded” (its head is larger in proportion to its body), the “leather back” (it is the largest sea turtle that exists), the “parrot beak” (it has a circular shell) and the “tortoiseshell” (it is in danger of extinction).
  • The green iguana It is a reptile that usually lives in the forests of coastal areas and climbs to the tops of trees to sunbathe. It has a highly developed sense of sight, can measure up to 2 meters long and weigh more than 15 kilograms. It feeds on vegetables, except for some small insects that it can ingest during its youth stage.
  • The boa constrictor It is one of the most typical snakes in the region, which is characterized by being nocturnal and solitary. It usually lives 20 years and can reach a weight of 40 kilograms. It is a good swimmer and, despite not having a good sense of sight, it is able to detect its prey by heat.
  • The anchovy It is a type of fish that lives in the Humboldt Current and is very valuable for the biodiversity of the Peruvian sea because hundreds of other species of fish, mammals and birds depend on it for their food. It feeds on microscopic plants and animals (plankton) and the larvae of other fish.
  • The tuna It is a fish that lives on warm water coasts. It is characterized by being a fast swimmer that can reach up to 70 kilometers per hour, can dive up to 400 meters deep and measure up to 8 meters long. It feeds on other smaller fish, crustaceans and mollusks.
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Animals of the Ecuadorian coast

animals of the ecuadorian coast marine iguana galapagos
The marine iguana is the only lizard that depends on sea water.

The Ecuadorian coast extends over the Pacific Ocean and part of the Andes mountain range. It is an area protected by the government of Ecuador for being one of the most fragile ecosystems in the world with unique fauna and flora.

More and more species are in danger of extinction, such as the Andean toucan, the giant armadillo, the pink dolphin, the harpy eagle, the jaguar and the spectacled bear.

Among other animals that inhabit the Ecuadorian coast, the following stand out:

  • The Galapagos sea lion It is a mammal that only lives in the Galapagos Islands region. It differs from the California sea lion in its larger size and more elongated snout. Its diet is carnivorous and, in particular, it eats sardines and some crustaceans.
  • The marine iguana It is a reptile endemic to the Galapagos Islands and the only lizard that depends on sea water, as it feeds on algae. The male has the ability to swim while the female and the young remain on the rocks and wait for the tide to rise so they can eat. Its skin is dark in color, which allows it to camouflage among the stones.
  • The howler monkey It is typical of tropical regions and one of the largest in the Latin American rainforest, which can reach a height of one meter and its tail can measure the same. Its name is due to the fact that it emits strong vocalizations that look like howls.
  • The white-faced monkey Also known as “capuchin”, it lives in forest areas of the Caribbean lowlands and spends much of the day on trees. Its main characteristic is dark fur combined with white on part of the chest and face.
  • The brown pelican of the Galapagos It is a variety of pelican endemic to the Galapagos Islands. Its fur is dark gray and brown, its beak light gray and its head white. During the breeding season its beak turns pink and its head white.
  • The humpback whale It is usually seen on the Ecuadorian coast between the months of June and September. It can measure up to 16 meters long and weigh 40 tons. It makes sounds or songs that would be related to the mating season.
  • The macanchi viper It is a venomous snake of grayish and brown color, with spots. It is nocturnal and during the day it remains hidden under dry or wet trunks, among leaves and vegetation. It feeds on reptiles, such as lizards, or small mammals.
  • The earwig gull It is a bird endemic to the Galapagos Islands and the only nocturnal gull in the world. Its plumage is light gray, except for the head, which is dark gray and it has a three-color beak: white, gray and black. It feeds mostly on squid that usually rise to the surface at night.
  • The warm water penguin It is one of the smallest species, which can reach a height of 20 centimeters and only lives in this region. Its fur is characterized by having white in the eye, throat and belly area. They usually live as a couple, with the same company throughout their lives.
  • The Galapagos tortoise It is the largest of the land turtle species and can measure up to 2 meters long and weigh 400 kilograms. It also stands out for being one of the oldest animals: it can exceed 150 years of age.
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Animals of the Mediterranean coast

animals of the Mediterranean coast gray dolphin
The gray dolphin is characterized by the elongated markings on its skin.

The Mediterranean Sea encompasses the things of several countries in Europe, North Africa and part of Asia. It represents the home for the most diverse marine fauna in the world.

Among other animals that inhabit the Ecuadorian coast, the following stand out:

  • The wood pigeon It is the most typical variety of pigeon in Europe, which is characterized by being robust with long wings, which can reach 80 centimeters when unfolded, due to its white spots on both sides of the neck and its blue-gray plumage on the head.
  • Owl It is a small owl that, with its wings spread, can reach 50 centimeters in length. Its plumage is brownish gray and its eyes are intense yellow. It feeds on insects during the day and usually hunts larks and mice in the dark.
  • Fin whale It is the second largest animal in the world, after the blue whale. It can measure up to 27 meters long and weigh up to 70 tons. Its skin is dark gray and white on the underside. It feeds on krill, small crustaceans, squid and fish.
  • Gray dolphin Also known as “grey pilot whale” is a species of odontocete cetacean. It can reach a length of 3.5 meters and weigh 350 kilograms. It is characterized by its gray skin and abundant white elongated marks that look like scars. It feeds on squid and small fish. It is sociable and lives in groups of between 5 and 30 dolphins.
  • Cuvier's beaked whale Also called “Cuvier's whale” it is a medium-sized cetacean that can reach 7 meters in length. It has a short snout compared to other species, its head is white and the rest of its body is dark gray. It is the mammal that can be submerged at the greatest depth and time (a record of 137 minutes underwater was recorded).
  • Common salamenca It is a reptile that can measure 16 centimeters in length. Its skin is gray-brown and its tail has spiny scales. Its fingers are flattened and allow it to climb easily by adhering to different vertical surfaces; it can even walk upside down on ceilings. It feeds on insects and arachnids.
  • Bastard snake It is the largest venomous snake on the Peninsula, which can reach 2.5 meters in length, although the effects of the venom are dangerous for humans. Its skin is gray-brown and olive green. Its head is elongated and with a pointed snout, and its tail is thin. It feeds on insects, lizards, lizards, other snakes and rodents.
  • Holoturia. Also called “sea cucumber” it is an echinoderm-type marine animal that belongs to the group of sea urchins, despite not having pentaradial symmetry but rather its elongated and soft body. They usually reach a length of 25 centimeters. Its mouth is surrounded by small tentacles that it uses to feed on detritus, algae and plankton.
  • Coquina It is a small bivalve mollusk with an oval shell, which can reach 4 centimeters in length. It is unisexual and has external fertilization. It feeds on organic remains that are suspended in the water.
  • Meloncillo Also known as the “mongoose,” it is a mammal of the meerkat family, with an elongated body and short legs with hooves that do not retract. It can measure up to 45 centimeters in length. It is a diurnal and carnivorous animal that feeds on insects, rodents and small reptiles.

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References

  • “Vaquita Marina” in National Geographic
  • “The fur seal of Guadalupe” in Biodiversidad.gob.mx
  • «Ecuador fights against a plague of rats that threatens the only nocturnal seagull in the world in the Galapagos» in Infobae.com
  • “El pavón” in Biodiversidad.gob.mx