introduction reading NTF

Question 1

cobreeders are usually ______ so in addition to raising their own, they sometimes raise the young of others

Answer 1

closely related

Question 2

Koenig experiment

Answer 2

1. removed male acorn woodpeckers prior to nesting

2. returned when nest with eggs are made

Question 3

koenig experiment results

Answer 3

dominant males destroyed eggs

subordinate did not