How Dual-Sex Animals Like Gynandromorph Butterflies Develop
C1 English listening practice · American English · Curated for advanced learners
About this clip
A 3:37 video in English at C1 level, suitable for advanced learners. The speech is at a natural pace around 199 words per minute, rated 4.7/5, hard 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.
From SciShow↗ on YouTube.Watch original
Vocabulary frequency
How common is the vocabulary in this C1 English listening practice listening practice?
90.3%
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
82.5%
Top 1,000
90.3%
Top 2,000
95.3%
Top 5,000
Spoken English frequency
86.2%
Top 1,000
94.5%
Top 2,000
100%
Top 5,000
Words above this video’s level
Quick glosses for vocabulary that goes beyond this video’s C1 level.
mitosis
2×
Rare / outside top 5,000
cell division process
scishow
2×
Rare / outside top 5,000
science web series
downright weird
1×
truly strange or unusual in nature
Source: wordfreq 3.1.1 (general) · SUBTLEX-US 2012 (spoken). Buckets approximate; exact ranks not stored.
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