Which remote observation tool records animal sound patterns?
Monitoring vocal species across forests or oceans is difficult visually, especially nocturnal animals. Passive acoustic monitoring deploys autonomous recorders capturing soundscapes continuously for weeks, storing calls, songs, and echolocation. Spectrogram analysis identifies species presence, abundance, and behavior patterns without human presence disturbing wildlife. Camera traps capture images triggered by motion, GPS collars track movement, and line transects require observers walking. Acoustic sensors are non-invasive and operate day-night, suitable for birds, amphibians, bats, and whale
Ref: NCERT Biology Class XII Principles on Klenow fill-in labeling, Lehninger Chapter 9 DNA cloning techniques, and Molecular Cloning by Sambrook Chapter 10 documenting end-labeling of cohesive termini.
