Image from the Biodiversity Heritage Library.
Contributed by Harvard University, Museum of Comparative Zoology, Ernst Mayr Library.
| www.biodiversitylibrary.org
Transcription
Empidonax traillii alnorum.
Lake Umbagog, Maine.
1888 ♀ feeding young
call notes of " Specific characters Empidonax traillii
4
Sept. 4 An adult ♀ in alders feeding young which were barely
large enough to fly & still bob-tailed. The old bird
called 'pish' occasionally & was rather shy showing little
Solicitude. The young kept in the tops of the tallest
alders well concealed among the leaves. They called
que-wichy (in rather full tones) at intervals and when
fed uttered a low chattering cry. They frequently took
short flights but were clumsy about it. Both old
and young jerked their tails nervously.
Upon comparing the old ♀ & one young with a best
flycatcher shot at the same time I found that