5A primatologist observes a troop of 120 monkeys in a reserve. Over the course of a month, 15% of the monkeys migrate to a neighboring forest, and then 1/4 of the remaining monkeys are fitted with GPS trackers for behavioral study. How many monkeys remain untracked after these changes? - Portal da Acústica
5A Primatologist Observes Key Behavioral Shifts in a Monkey Troop: What Remains Untracked?
5A Primatologist Observes Key Behavioral Shifts in a Monkey Troop: What Remains Untracked?
In a landmark study at a protected wildlife reserve, 5A primatologists monitored a vibrant troop of 120 monkeys over a one-month period. This observation offers critical insights into primate social dynamics, migration patterns, and modern conservation techniques such as GPS tracking. Let’s explore the survival and tracking status of the troop following significant changes.
The Initial Troop Size
At the start, researchers documented a healthy primate community of 120 monkeys living in a secure natural habitat. The team closely observed group behavior, movement, and social interactions—data vital for long-term conservation strategies.
Understanding the Context
The First Change: Migration
Over the course of the month, a notable migration event occurred: 15% of the troop migrated to a neighboring forest. To calculate this:
15% of 120 = 0.15 × 120 = 18 monkeys left the original group.
Subtracting these births (or initial presence limits):
120 – 18 = 102 monkeys remained after migration.
The Second Phase: GPS Tracking for Behavioral Research
Next, primatologists fitted 1/4 of the remaining monkeys with GPS tracking devices to study their movement, feeding, and social behaviors in detail.
1/4 of 102 = 102 ÷ 4 = 25.5, but since monkey numbers must be whole, the team trained only 25 monkeys with tracking technology.
Thus, the number of untracked monkeys is:
102 – 25 = 77 monkeys remaining untracked.
Final Summary
After 15% migrated and 1/4 of the survivors were fitted with GPS tags, the reserve’s primatologist observes that 77 monkeys remain untracked, continuing their natural lives beyond the monitoring network.
This balance between rigorous behavioral research and minimal interference exemplifies modern primatology—aiming to protect and understand wildlife without disrupting it. As a 5A research leader notes, “Tracking is essential for knowledge, but the forest’s heartbeat must remain free.”
Key Insights
Key stats recap:
- Starting troop: 120 monkeys
- Migrated: 18 (15%)
- Remaining after migration: 102
- GPS-tracked: 25
- Untracked: 77 monkeys
This month’s findings remind us that even in close observation, respect for natural animal behavior is paramount—ensuring that science supports conservation, not the other way around.
Keywords: primatologist observation, monkey troop tracking, wildlife migration study, GPS primate monitoring, 5A primatology, conservation research
