They are designated as threatened under the Endangered Species Act, but many biologists consider their population levels healthy.

Some biologists consider Crystal River to be the most important refuge for manatees in the United States.

Today, however, many biologists consider parasites and their hosts to be sympatric (see examples below).

Last year the average dropped to 2.4, but the biologists consider the fluctuations normal and are not worried.

Many biologists consider the acquisition of sequences to be boring.

Some biologists consider it to be a subspecies of P. sungorus.

Many biologists consider this prize to be the highest international award in Biology.

Annadel includes what some biologists consider the best example of undisturbed northern oak woodlands in existence.

Other biologists considered it to be a sporozoan protist.

However, soundscape ecology encourages biologists to consider natural soundscapes as resources worthy of conservation efforts.