perception

to distinguish, sense, become aware of (see someone or something clearly or distinctly)

(of beasts) to bark, to howl / to shout, to roar

the entire night, the period of time throughout the night

nighttime, the night, the period of time during the night

late at night, the middle of the night / midnight

かも知れません: (polite) Synonym of かも知れない (ka mo shirenai, “may, might, perhaps”)

かもしれない: perhaps

may; might / probably; maybe; perhaps

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever