
Green sea turtles, or greenies, are one of the largest hard-shelled sea turtle species. They are valued for their eggs and meat, and are named after the greenish colour of their fat. They are found in the coastal waters of Virginia, where they are protected under the Endangered Species Act. They are extremely fast swimmers and are prone to hiding or fleeing from danger, making them difficult to spot. They are rarely seen on land, except when they come ashore to lay their eggs.
Characteristics | Values |
---|---|
Scientific Name | Chelonia mydas |
Conservation Status | Federally Endangered in the U.S. |
Identifying Characteristics | The shell is broad and heart-shaped. The head is small. The carapace is brown with brown mottling. The plastron is white to yellow and the head is light brown with yellow markings. The flippers are paddle-shaped and each has one claw. The tail of the males is strongly prehensile and extends beyond the posterior margin of the carapace. |
Length | 91 to 153 cm |
Weight | 100 to 340 kg |
Habitat | Shallow warm waters; coastal lagoons and bays throughout Virginia |
Diet | Sea grass, algae, jellyfish, mollusks, crustaceans, and other invertebrates |
Behaviour | Congregate to feed in areas with abundant algae and seagrasses |
Breeding Season | Probably does not occur in Virginia |
Incubation Period | 48-70 days |
Nesting Interval | 2, 3, or 4-year intervals |
Clutches per Season | 2-7 |
Eggs per Clutch | 75-200 |
Sex Determination | Temperature in which its egg is incubated |
What You'll Learn
Green sea turtles are found in the Chesapeake Bay
Green sea turtles (Chelonia mydas) are found in the Chesapeake Bay in Virginia. They are one of the five species of sea turtles that occur in the Bay and the coastal waters of the state. Green sea turtles are considered endangered in US waters.
The Chesapeake Bay is an important habitat for growing turtles. Each year, between 5,000 and 10,000 sea turtles enter the Bay in late spring when water temperatures rise. Green sea turtles are less common in the Bay than loggerhead and Kemp's ridley sea turtles, which are the most and second-most common species in the Bay, respectively. The hawksbill sea turtle is the least common sea turtle in the Bay.
Green sea turtles are typically found in tropical and subtropical waters, and they migrate long distances between feeding areas and the beaches where they hatched. They are solitary animals but are known to occasionally congregate to feed in areas with abundant algae and seagrasses.
In the Chesapeake Bay, green sea turtles are seen during the late summer and early fall. They are valued for their eggs and meat, and their name comes from the green colour of their fat. Adult green sea turtles feed on seagrasses and algae, while juveniles are omnivorous, feeding on both aquatic plants and animals.
Green sea turtles are challenging to spot as they are extremely fast swimmers and tend to hide or flee from any signs of danger. They rarely come ashore except to lay their eggs, preferring to spend most of their time in the water.
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They are endangered in US waters
Green sea turtles (Chelonia mydas) are endangered in US waters. They are valued for their eggs and meat, and their name comes from the greenish colour of their fat. They are the world's largest species of hard-shelled sea turtle, with adults weighing between 250 and 400 pounds. Green turtles are unique among sea turtles in that they are herbivores, eating mostly seaweed, seagrasses, and algae.
Green sea turtles are found in US waters in the Hawaiian Islands, U.S. Pacific Island territories (Guam, the Commonwealth of the Northern Mariana Islands, and American Samoa), Puerto Rico, the Virgin Islands, and Florida. Nesting also occurs annually in Georgia, South Carolina, North Carolina, and Texas. In the eastern North Pacific, they have been sighted as far north as southern Alaska, but they are most commonly found from southern California to northwestern Mexico.
The green sea turtle population has declined due to human activities such as poaching and over-exploitation. They are killed for their fat, meat, and eggs, and their shells are also traded in the wildlife trafficking market. Climate change, ocean pollution, and coastal development are additional threats to their survival. Coastal development can lead to the loss of nesting beach habitats, and artificial lighting can disorient hatchlings, causing them to migrate towards lights instead of the ocean.
To protect green sea turtles, the United States has implemented measures such as prohibiting the killing of sea turtles and collecting their eggs. The US also works with international partners to implement conservation measures and establish agreements, such as international treaties that protect sea turtles. Various conservation and recovery plans have been developed, focusing on protecting nesting and foraging habitats, reducing bycatch in fisheries, and addressing the illegal trade of turtle shells, meat, and eggs.
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They are one of the largest hard-shelled sea turtles
Green sea turtles (Chelonia mydas) are the largest species of hard-shelled sea turtles. They are unique among sea turtles in that they are herbivores, eating mostly seaweed, seagrasses, and algae. This diet is what gives their fat a greenish colour (not their shells), which is where their name comes from.
Green turtles are found throughout the world. They nest in over 80 countries and live in the coastal areas of more than 140 countries. They are most easily recognised by their top shell, which covers most of their body, except for their flippers and head. Despite their name, a green sea turtle's shell is not always green. The smooth, heart-shaped shell can be a blend of different colours, including brown, olive, grey, or black. The underside is a yellowish-white colour. The green sea turtle's head has brown and yellow markings.
These dense, heavy animals can reach three to four feet in length and weigh upward of 300 to 350 pounds (136 to 159 kilograms). Despite their size, they are still not the world's largest sea turtles—that title belongs to the leatherback sea turtle.
Green sea turtles are found around the world in warm subtropical and tropical ocean waters. There are populations with different colourings and markings in the Atlantic, Indian, and Pacific Oceans. They are highly migratory and undertake complex movements and migrations.
In the United States, green sea turtles are most often seen on the Hawaiian Islands, Puerto Rico, the Virgin Islands, and the east coast of Florida. Less frequent nesting also occurs on the Atlantic coast in Georgia, South Carolina, and North Carolina.
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They are valued for their meat and eggs
Green sea turtles are considered a delicacy for their meat and eggs. Historically, they were exploited for their fat, meat, and eggs, causing a global decline in their population. Their meat is used for turtle soup, and their eggs are considered a delicacy in some cultures. In the past, several commercial farms existed that exploited green sea turtles, but they eventually closed due to international market regulations on the shipping of endangered species.
Green sea turtles are named after the greenish color of their fat, which comes from their diet of seaweed, seagrass, and algae. They are the only herbivorous species of sea turtle and play an important role in maintaining healthy seagrass beds. By grazing on seagrass, they help control the growth of seagrass and promote the health of the marine ecosystem.
The consumption of green sea turtles and their eggs continues to be a major threat to their survival, despite laws protecting them in most countries. The illegal trade and harvesting of their meat and eggs for human consumption persist in some areas, disrupting regional efforts to recover the species.
In the United States, the killing of green sea turtles and the collection of their eggs are prohibited. However, in other parts of the world, the killing of green turtles for their meat and the supply of their shells to the wildlife trafficking trade remain a significant concern.
The green sea turtle is a keystone species, playing a vital role in its ecosystem. Their role as primary consumers of seagrass and algae helps control the growth of these plants and promotes a healthy marine environment. Additionally, their eggs and hatchlings provide important nutrients for coastal vegetation, contributing to the stabilization of dunes and the prevention of coastal erosion.
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They are tough to spot in Virginia
Green sea turtles are tough to spot in Virginia for several reasons. Firstly, they are naturally elusive and cautious creatures. They rarely come ashore, except to lay their eggs, and even then, they prefer secluded, unpopulated areas. Their natural instinct is to hide or flee from any signs of danger, making them difficult to observe.
Additionally, green sea turtles are extremely fast swimmers, making them challenging to spot and track in the water. They are also less abundant in Virginia compared to other sea turtle species, such as the loggerhead and Kemp's ridley sea turtles, which are the most commonly observed in the state.
The green sea turtles that are found in Virginia typically occur in the Chesapeake Bay and coastal waters during the late summer and early fall. They can also be found in the coastal lagoons and bays throughout the state. However, their distribution is uneven, and they are not as prevalent as other species.
Another factor contributing to the difficulty in spotting green sea turtles in Virginia is their size. While they are considered one of the largest hard-shelled sea turtles, they are still relatively small compared to other sea creatures. Their size can make them harder to spot, especially if they are swimming in deeper waters or among other marine life.
Furthermore, the breeding season for green sea turtles in Virginia is uncertain. It is believed that breeding may not occur in the state, as the suitable beach conditions and preferred water temperatures may not always align. This means that spotting nesting green sea turtles in Virginia is especially challenging.
In summary, green sea turtles are tough to spot in Virginia due to their cautious nature, speed, relatively low abundance, size, and uncertain breeding season in the state. While they can be found in the Chesapeake Bay and coastal waters during certain times of the year, their elusiveness makes them a challenging species to observe.
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Frequently asked questions
Green sea turtles can be found in the Chesapeake Bay and the coastal waters of Virginia. They are less common than loggerhead and Kemp's ridley sea turtles, and they are seen in the Bay during the late summer and early fall.
Green sea turtles are one of the largest hard-shelled sea turtles. They have four pairs of scutes along the sides, with one pair between the eyes. The shell is light to dark brown with dark markings, and the plastron is whitish to light yellow. The turtle's cartilage and body fat are green due to their diet of seagrass and algae.
Sea turtle nests contain over 100 eggs on average, and the eggs hatch after about two months. The young hatchlings must make their way to the water, where they are still susceptible to predators.
Green sea turtles are protected under state and federal Endangered Species acts. You can help by reporting any sightings of dead or weakened sea turtles to the Virginia Aquarium and Marine Science Center's Stranding Response Team at 757-385-7575.