which will help you to place them:

"1. Citizens.

"Those Bird People whose families stay in or near the same place the year
round, roving about somewhat according to the food-supply and weather.

"2. Summer Citizens.

"The families that, though they are with us but six or eight months of
the year, make their homes here, and pay their rent and taxes by working
for the common good. As they are almost all insect-eaters, they are even
more useful than the stay-at-home Citizens, who are chiefly seed-eaters
or cannibals.

"3. Winter Visitors.

"The birds who come down from the North in severe weather, but do not
stay in one place for any particular time, arriving one day and
disappearing the next. They glean for their scanty board and return to
the cold countries, of which they are Citizens, before nesting-time."

"Please tell me the names of some of the birds that live here all the
time," said Nat. "Have I seen any yet?"

"I think the Bluebird, the Robin, and the Song Sparrow are Citizens,"
said Rap, "because last winter I used to see one of two almost every
day, unless the snow and ice were very thick."

"Yes," said the Doctor, "the Bluebird is a Citizen in the Middle and