Improving Paragraph Organization

Read the following paragraph and answer the question that follows:

The migration patterns of various bird species have captivated ornithologists for decades. These patterns offer insight into how climate change is affecting avian populations. For instance, certain species are arriving earlier at their breeding grounds than in previous decades. Observations also indicate that alterations in food availability due to fluctuating weather conditions affect reproductive success. Furthermore, migratory birds face increased challenges from habitat loss and changing landscapes. Understanding these patterns is vital not just for appreciating biodiversity, but also for informing conservation efforts.