What Wodehouse story does this remind you of?

[Laura Pyke]

“It’s not that they are mean birds,” said Susan B. Elbin, an
ornithologist with New York City Audubon who has studied mute swans,
the species that is sparring in Prospect Park. “Mute swans, of all the
swans, are highly territorial.”

(Mute swans are not mute, but they do make rough grunting, hissing and
snorting noises.)

Native to Europe, mute swans introduced to the United States around
the turn of the 19th Century, so are considered an invasive species.

http://cityroom.blogs.nytimes.com/2009/09/30/swans-of-prospect-park-go-from-elegant-to-aggressive/?scp=1&sq=swans&st=cse

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Toodle-do! I have to dress for dinner where I intend to give that
feckless drone Richard, whom dear Rosie M. Banks insisted on marrying
against my better advice, a stern lecture on the importance of fat-
soluble vitamins in the diet. He's brought along a guest who resembles
a spineless invertebrate.

The Pyke

[Swordfish]

Post by Laura Pyke
“It’s not that they are mean birds,” said Susan B. Elbin, an
ornithologist with New York City Audubon who has studied mute swans,
the species that is sparring in Prospect Park. “Mute swans, of all the
swans, are highly territorial.”
(Mute swans are not mute, but they do make rough grunting, hissing and
snorting noises.)
Native to Europe, mute swans introduced to the United States around
the turn of the 19th Century, so are considered an invasive species.
http://cityroom.blogs.nytimes.com/2009/09/30/swans-of-prospect-park-g...
---------------------------------------
Toodle-do! I have to dress for dinner where I intend to give that
feckless drone Richard, whom dear Rosie M. Banks insisted on marrying
against my better advice, a stern lecture on the importance of fat-
soluble vitamins in the diet. He's brought along a guest who resembles
a spineless invertebrate.
The Pyke

Jeeves rescuing the Cabinet Minister and Bertie perched on top of the
wall on an island in the lake, with angry swan[s] hissing at them.

Swordfish

[Calvin]

Post by Swordfish

Post by Laura Pyke
“It’s not that they are mean birds,” said Susan B. Elbin, an
ornithologist with New York City Audubon who has studied mute swans,
the species that is sparring in Prospect Park. “Mute swans, of all the
swans, are highly territorial.”
(Mute swans are not mute, but they do make rough grunting, hissing and
snorting noises.)
Native to Europe, mute swans introduced to the United States around
the turn of the 19th Century, so are considered an invasive species.
http://cityroom.blogs.nytimes.com/2009/09/30/swans-of-prospect-park-g...

Jeeves rescuing the Cabinet Minister and Bertie perched on top of the
wall on an island in the lake, with angry swan[s] hissing at them.
Swordfish

Plus the ornithology reference reminds one of The Children's Book of
American Birds :-)