2020 Volume 32 Issue 1_2 Pages 1-11
Ground nesting birds list in high ratio as endangered species of the Red Data Book. This main cause is regarded as the decrease of the bare lands suitable for nesting. The kinds of rooftop nesting birds increase while bare lands environment of nature like sandy beaches decreases. I searched papers about rooftop nesting, and compiled species and period that the habit had started from. As results, I discovered records of the rooftop nesting of 36 kinds of Charadriiformes birds. And the time when rooftop nesting species increased almost correspond to the period when buildings made of steel reinforced concrete increased. It will be considered that the active invitation of the roof-top nesting helps the protection of the endangered species nesting on the ground in future. On the other hand, maintenance of the appropriate outskirts environment is necessary if we do not hope roof-top nesting of large gulls that often give a bad influence to the life of the people.
