The phrase "elusive behavior" is correct and usable in written English.
You can use it to describe someone's behavior that is hard to pin down, or hard to understand. For example: "His elusive behavior left me feeling confused and frustrated."
That meeting would mark a break in Colonel Qaddafi's elusive behavior since the NATO bombing strikes began two months ago.
However, the elusive behavior and secretive habits of some widespread species constrain the collection of demographic and ecological data necessary for the identification of extinction-prone species.
The endangered orangutan (Pongo spp). is an example; due to its elusive behavior and low densities, researchers have relied on methods that convert nest counts to orangutan densities and require substantial effort for reliable results.
First, due to their elusive behavior in dense forest environments, great ape populations are often difficult to observe.
Perhaps one of the main reasons for the lack of objective information on the ocular TCA has been due to its elusive behavior in standard double-pass ophthalmic configurations.
Nonlinear interaction among components is sufficiently complex that mathematical models are required to elucidate their elusive integrated behavior.
Considerable progress has been made in identifying and characterizing the component parts of genetic oscillators; however, the nonlinear interaction among components is sufficiently complex that mathematical models are required to elucidate their elusive integrated behavior.
"Behavior is elusive, and drama captures behavior".
Since then, Hill has remained elusive, exhibiting bizarre behavior when in public and failing to pay $1.8 million in taxes.
As a consequence, the effect of social information in user's information search and information-selection behavior remains elusive.
Consequently, the true nature of the link between individual decisions and group behavior remains elusive.
