Massachusetts Wildlife Rehabilitator Practice Exam

What is a characteristic of the blue jay’s diet?

1. Exclusively insects

2. Fruits and seeds

3. Only small mammals

4. Wood and bark

The correct answer is: Fruits and seeds

The blue jay's diet is characterized by a varied intake that includes fruits and seeds, which are significant components of their nutrition. These birds are known to feed on acorns, berries, and seeds from various plants, particularly during the fall when they are preparing for winter by caching food. This omnivorous diet allows them to adapt to different seasonal food availabilities, making fruits and seeds a vital part of their diet throughout the year. Their preference for nuts and seeds also plays a critical role in forest ecology, as they help in seed dispersal, which promotes forest growth and biodiversity. In contrast, the other dietary options do not accurately represent the blue jay's eating habits. While blue jays may occasionally consume insects or small animals, these form a minor part of their overall diet compared to fruits and seeds. Likewise, wood and bark are not consumed by blue jays; instead, they are known to forage for their preferred foods on the ground or in trees.