How The Mimic Octopus Uses Camouflage To Survive
B2 English listening practice · American English · Curated for upper-intermediate learners
About this clip
A 52s video in English at B2 level, suitable for upper-intermediate learners. The speech is at a natural pace around 165 words per minute, rated 2.7/5, medium listening difficulty by Reelang’s algorithm.
What this clip covers:
- ▸Science - Discoveries, experiments, and how the world works.
- ▸Pets & Animals - Dogs, cats, wildlife, and pet care.
- ▸Nature & Environment - The natural world, climate, and sustainability.
From National Geographic↗ on YouTube.Watch original
Vocabulary frequency
How common is the vocabulary in this B2 English listening practice listening practice?
87%
of words are in the top 2,000 most common English words
Based on this reel’s transcript, most of the vocabulary is high-frequency, everyday English.
General English frequency
73.9%
Top 1,000
87%
Top 2,000
91.3%
Top 5,000
Spoken English frequency
85%
Top 1,000
92.5%
Top 2,000
100%
Top 5,000
👄 Conversational vocabulary
This reel’s words appear more often in subtitle-based spoken-English data than in general usage, so it may feel closer to everyday conversation.
Words above this video’s level
Quick glosses for vocabulary that goes beyond this video’s B2 level.
lionfish
2×
Rare / outside top 5,000
venomous fish with striped fins
mimic
1×
Rare / outside top 5,000
copy another's appearance or behavior
coral
1×
Rare / outside top 5,000
marine animal forming hard structures
distinctive
1×
Rare / outside top 5,000
characteristic and easily recognized
predators
1×
Rare / outside top 5,000
animal that hunts other animals
Source: wordfreq 3.1.1 (general) · SUBTLEX-US 2012 (spoken). Buckets approximate; exact ranks not stored.
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