Highlights
How Brainy Are Monkeys?
Alison Pearce Stevens, Ph.D.
Animals
howler monkey, jungle, Belize, Male, Dr. Dawn Kitchen, mammals
HL
920
B2
English
9781683296287
The black howler monkeys are some of the loudest animals in the world. Scientist Dr. Dawn Kitchen discovered that these remarkable monkeys can tell how big another troop is by listening to their collective calls. Does this mean they can count?
Word lists coverage
The word and grammar lists are compiled from commercially available resources and English study websites. They are not intended to be authority. Use at your own discretion.| List | Total | Coverage |
|---|---|---|
| Eiken Grade 1 | 3,105 | 0% |
| Eiken Grade 2 | 866 | 0.46% |
| Eiken Grade 3 | 900 | 10% |
| Eiken Grade 4 | 600 | 17.5% |
| Eiken Grade 5 | 600 | 18.83% |
| Eiken Grade Pre1 | 2,868 | 0.35% |
| Eiken Grade Pre2 | 1,327 | 2.34% |
| Eiken Grade Pre2+ | 1,562 | 2.88% |
| NDL | 875 | 24.23% |
| NGSL 1 to 1,000 | 1,000 | 20.8% |
| NGSL 1,001 to 2,000 | 1,000 | 5% |
| NGSL 2,001 to 3,000 | 801 | 2.25% |
| NGSL Supplemental | 52 | 7.69% |
Grammar lists coverage
The word and grammar lists are compiled from commercially available resources and English study websites. They are not intended to be authority. Use at your own discretion.| List | Total | Unique | Coverage | Unique |
|---|---|---|---|---|
| Eiken Grade Pre1 | 94 | 94 | 0% | 0% |
| Eiken Grade 2 | 123 | 122 | 0% | 0% |
| Eiken Grade Pre2 | 111 | 108 | 0% | 0% |
| Eiken Grade 3 | 48 | 47 | 0% | 0% |
| Eiken Grade 4 | 52 | 49 | 0% | 0% |
| Eiken Grade 5 | 176 | 139 | 0% | 0% |
| A1 | 352 | 316 | 0% | 0% |
| A2 | 949 | 893 | 0% | 0% |
| B1 | 1,126 | 1,106 | 0% | 0% |
| B2 | 775 | 760 | 0% | 0% |
| C1 | 402 | 395 | 0% | 0% |
| C2 | 312 | 308 | 0% | 0% |