Birds and butterflies along an urban gradient: Surrogate taxa for assessing biodiversity?

Earth & Environmental Sciences

• butterfly 100%
• bird 70%
• biodiversity 60%
• oak 41%
• woodland 39%
• preserve 35%
• urbanization 34%
• recreational area 29%
• golf course 29%
• bird species 23%
• office 21%
• surveying 20%
• species richness 17%
• land use 13%

Agriculture & Biology

• butterflies 85%
• biodiversity 68%
• urbanization 63%
• woodlands 55%
• Quercus 51%
• birds 51%
• golf courses 37%
• land use 27%
• conservation areas 26%
• preserves 26%
• species richness 23%