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a dolphins contribution to its ecosystem being a secondary predator and preserving balance
They did create astronomy which is kinda of a scientific contribution and an impact on the ecosystem.
any animal in a ecosystem is extremely important. any animals removed OR introduced into a ecosystem will have serious consequences
they benifit....
pelicans are the young ones
"Pelicans" is a plural noun.
yes. pelicans are birds so they have wings
Lahti Pelicans was created in 1945.
pelicans are hunted for their beaks or their meat or both.
Pelicans at the Zoo was created in 1898.
pelicans are white they have feathers are long and medium
Sharks and orcas are known to prey upon pelicans. Coyotes will also prey upon adult pelicans.