Warblers are small birds that have been known to get caught in spider webs. The video covers community ecology, focusing on the Competitive Exclusion Principle using the example of warblers. It also includes fundamental versus realized...

Each biome has self sustaining communities, but how did these unique and stable communities form? Investigate how these evolved with changing animal interactions.

In this video, students examine the role of vultures as scavengers, and explore the link between the vultures' niche and human health in India. [4:40]

A video lesson defining the basic vocabulary necessary to describe an ecosystem and its parts. Learn how the abiotic and biotic factors work together to form an ecosystem. [7:27]

Paul Andersen explains the niche. He gives three different pronunciations and two different definitions. He then discusses the competitive exclusion principle and the idea that a niche cannot be shared by two species.