Conflict Between Two Desires

Montana and Cherree had completed their nest. Threeold nest went on with more speed. Cherree, however,
eggs had been laid and one nestling hatched. It wasdid not neglect her baby. To feed it and to build had an
almost time for the youngster to leave the nest, whenequal appeal, leading to conflict between two desires.
the urge came to Cherree to rear another brood. SheOnce, as she flew to the nest with a pliable twig, the
examined the old nest; decided, apparently, that a littlenestling called loudly for food. Cherree hopped to its
building up of the edge would make it as good as new.side and it gaped, ready for food. The mother wanted
That the baby was not quite ready to leave did notto feed her offspring, yet wanted to use that twig in
seem to bother the mother bird. Tana was doing mosther nest. Finally, as the nestling continued to gape, she
of the feeding, anyway, so Cherree had time on herplaced the twig crosswise in the wide-open mouth,
hands-or should we say on her wings?-and seemed towhich was no solution at all.
possess an overpowering urge to hurry before it wasComparatively little is known of the nesting habits and
too late for a second brood. She began collectingbehavior of evening grosbeaks in the wild. Probably not
rootlets, which she carefully placed on the inner edgemore than fifty or so nests have been found. Breeding
of the nest, then molded them with her breast. Within captivity has been attempted for many years in
the growing youngster in the way, this was a difficultvarious countries, without success until 1938, when a
feat.Winnipeg naturalist succeeded in rearing part of a
Progress was slow and much of the material fell tobrood. To gain knowledge of how evening grosbeaks
the ground. As it has not been known hitherto thatconstruct their nests; what material they prefer; the
evening grosbeaks had two broods in a season, I wasincubation period, of which practically nothing is known;
anxious that nothing should interfere with what mightand other facts, I tried for several years to induce
be an important discovery. So an abandoned robin'sthese birds to breed. In 1936 I succeeded in having
nest was fastened close to the grosbeak's nest,them build, lay eggs, and hatch young, but the nestlings
relined with grass and the youngster placed in it. Therelived only a few days. Failures followed during
was no objection from either parent, and refinishing thesubsequent seasons, until 1942.