A variety of data can be observed for each object.

A variety of marine, wading and land birds may be observed.

A variety of cytokines have been observed in the pulp.

A variety of other factors have been observed to affect the reliability of an eyewitness identification.

A variety of birds can be observed around the lake's water including California seagulls and ducks.

On the flood plain, a greater variety of species may be observed.

A wide variety of schistocytes may be observed.

A wide variety of wild animals and birds have been observed in the area.

A variety of behaviors have been observed from captive specimens.

A variety of methods for practicing polygamy can be observed in the animal kingdom.