Why might an observer perceive basilisks as rare even if their overall population density is high?
Answer
Because they are strongly tied to the edges of water bodies, which serve as their primary escape route.
Basilisks are strongly tied to the edges of rivers, streams, and ponds. A traveler hiking deep in the forest away from a water source is unlikely to see one, leading to a localized perception of rarity.

Related Questions
What nickname is often given to the basilisk due to its ability to run across water?What is the general assessment of basilisk rarity within their native ranges in Central and South America?Which basilisk species has established a successful, breeding non-native population in South Florida?According to the IUCN, what is the conservation status listed for the Common Basilisk (*Basiliscus basiliscus*)?What characteristic helps distinguish the Green Crested Basilisk?Why might an observer perceive basilisks as rare even if their overall population density is high?In which geographical region does the Common Basilisk (*Basiliscus basiliscus*) have a broad natural range?What does the successful establishment of the non-native Brown Basilisk in Florida suggest about the species?Which gender of the Green Crested Basilisk develops its dorsal and head crests more fully?What kind of habitat is naturally limited where one can expect to encounter a basilisk?