The capture-mark-release-recapture method was used to determine the number of Sandhill Cranes (Grus canadensis nesiotes), an endangered species of bird, living on an island.
The following data were obtained:
 number of Sandhill Cranes initially caught, marked and released = 22
 total number of Sandhill Cranes caught in second sample = 14
 number of marked Sandhill Cranes in the second sample = 2
What is the population size of the Sandhill Cranes on the island?

Question

The capture-mark-release-recapture method was used to determine the number of Sandhill Cranes (Grus canadensis nesiotes), an endangered species of bird, living on an island.
The following data were obtained:
	number of Sandhill Cranes initially caught, marked and released = 22
	total number of Sandhill Cranes caught in second sample = 14
	number of marked Sandhill Cranes in the second sample = 2
What is the population size of the Sandhill Cranes on the island?

lanre · Answer

2