The Gipsies have a secretive habit of congregating on isolated hilltops to meet and converse with materializations.

However, it was found to be extant in 1961; it had been overlooked due to its secretive habits and because its habitat was not surveyed.

In Yellowstone, this frog is common, but seldom seen due to its small size and secretive habits.

The river sharks are five rare species of shark in the genus Glyphis, although, due to their secretive habits, other species could easily remain undiscovered.

Its secretive habits and limited range have resulted in few studies and many aspects of the species biology are poorly known.

"I think," Dupre observed, "that you also have a secretive habit."

The secretive habits and seasonal activity pattern of the snakes make it difficult to assess their distribution and accurately estimate population densities.

However, in some regions the rockfowl's secretive habits and inaccessible habitat have meant it was unknown to the local population.

Rainbow snakes are rarely seen due to their secretive habits.

P. pembertoni escapes predation through their nocturnal and secretive habits.