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Penguins and grebes exhibit similarities due to a phenomenon known as convergent evolution, where unrelated species develop similar traits as adaptations to comparable environments or lifestyles. Both birds are aquatic and have evolved streamlined bodies and specialized limbs for swimming, allowing them to thrive in water. These adaptations have arisen independently as a response to the demands of their respective habitats, highlighting the influence of environmental pressures on evolution.
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Which animal eat a penguins?
Petrels, loons, grebes, flamingos, storks, pelicans, albatrosses, ducks and herons are ALL related to penguins.
Why such a high dosage of ddt found in grebes?
High levels of DDT found in grebes can be due to bioaccumulation, where the pesticide builds up in the food chain reaching toxic levels in top predators like grebes. Grebes consume contaminated fish and aquatic insects which leads to a high concentration of DDT in their bodies. Efforts to decrease the use of DDT and monitor its presence in the environment are important to protect wildlife like grebes.
How grebes were poisoned by DDT?
Grebes, like many other bird species, were poisoned by DDT (dichloro-diphenyl-trichloroethane) through the accumulation of the pesticide in their aquatic environments. DDT entered water bodies through agricultural runoff and industrial discharge, contaminating the food sources that grebes relied on, such as fish and invertebrates. As grebes consumed these contaminated prey, the chemical biomagnified within their bodies, leading to reproductive failures and decreased populations due to eggshell thinning and other health issues. The widespread use of DDT in the mid-20th century severely impacted grebe populations until the pesticide was banned in many countries.
Is the grebes carnivore?
No. Grebes are not mammals - they are birds. The differences between birds and mammals are:Birds have feathers while mammals have fur, hair or skinBirds lay eggs whilst mammals (with the exception of the monotremes) bear live youngBirds do not feed their young on mothers' milk like all mammals do
What is a grebe?
A grebe is a type of water bird known for its unique diving and swimming abilities. They have lobed toes and are excellent divers, using their pointed bills to catch fish underwater. Grebes are found in freshwater lakes and ponds around the world.
Which animal eat a penguins?
Petrels, loons, grebes, flamingos, storks, pelicans, albatrosses, ducks and herons are ALL related to penguins.
What is the pied billed grebes common name?
the pied billed grebes common name is sex
Name two animals that are closely related to the penguin?
Petrels, loons, storks, grebes, flamingos, ducks, albatrosses, pelicans and herons.
Do grebes have any tail?
no
How do pesticides get into grebes?
thru food
Are grebes swans?
No. Grebes and swans are two different species in to different families. The grebe is from the family Podicipedidae, and the swan in from he family Anatidae.
Do grebes have a tail?
Grebes are small water birds similar to ducks. They do have a tail, but it is very short and stubby and not obvious when you look at these birds.
Where do grebes life?
Grebes can be found in freshwater lakes, ponds, marshes, and open water habitats. They are commonly seen in North America, Europe, Asia, Africa, and Australia. Grebes tend to prefer areas with abundant aquatic vegetation and shallow water.
Why such a high dosage of ddt found in grebes?
High levels of DDT found in grebes can be due to bioaccumulation, where the pesticide builds up in the food chain reaching toxic levels in top predators like grebes. Grebes consume contaminated fish and aquatic insects which leads to a high concentration of DDT in their bodies. Efforts to decrease the use of DDT and monitor its presence in the environment are important to protect wildlife like grebes.
What eat Grebes?
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What kind of bird makes a platform nest?
grebes
What do grebes eat?
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