Most opportunistic feeding takes place during periods other than in the bright light of day.
If you’ve ever watched aquatic insects hatch you’ll notice the adults always fly upstream. This is compensated for by the immature stages of the insect releasing themselves from their position and drifting downstream until they find a new home. This phenomenon occurs four times a day with major occurrences at first and last light, it’s called behavioral drift.
Many folks think the fishing is consistently good at first and last light, they’re right. Behavioral drift is why. (Gary Borgers excellent book "Presentation" provides an excellent description of this phenomenon.) During Fran Goughs' Trico study "behavioral drift" was apparent in the "Little Lehigh." First and last lights are good times to fish attractor patterns for opportunistic feeders.
Trout are prey organisms. When they move from the protection of sheltering lies, to shallow, exposed feeding lies, they are uncomfortable and skittish. Periods of low light cause them to feel more secure.
During the daytime Terrestrial Drift can be important. Drift ant, hopper and cricket patterns through a feeding lie. We’ve notices concentrations of ants during the early morning.
TO BE CONTNUED
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