I 10 
THE CONDOR 
Vor.. VII 
sets?) being found during May; seen occasionally off Lower California coast north 
to San Diego; is known to breed in salt lagoons on the mainland, and also to breed 
abundantly on Santa Margarhita Island at Magdalena Bay. 
Merganser serrator Linn. Red-breasted Merganser. Not uncommon along 
this coast in winter and early spring; we noted several at the northern islands on 
the trip south. 
Aythya affinis (Eyt.). Lesser Scaup Duck. A few seen at San Martin Is- 
land on March 12th. 
Oidemia perspicillata (Linn). Surf Scoter. A few seen about San Martin Is- 
land on March 12th. 
Branta nigricans (Lawr.). Black Brant. Several large flocks of these birds 
were seen about San Martin and San Geronimo Islands on March 12-15. They 
were very wild and shy, keeping to the outer fringe of kelp. 
Ardea herodias Linn. Great Blue Heron. One or two noted; San Martin Is- 
land March 12; Clarion Island May 20th; Socorro Island May 10th. 
Nyctanassa violacea (Linn.). Yellow crowned Night Heron. Socorro Is- 
land, May 15th; San Benito Island March 25th; not common. 
Crymophilus fulicarius (Linn.). Red Phalarope. Seen at sea occasionally 
during March; on June 3rd, near Cape St. Lucas, a large flock of these birds was 
seen passing rapidly north. 
Actodromas minutilla Yihiix. Least Sandpiper. Rather common in small 
flocks at San Geronimo Island March 15th, Turtle Bay April 14th and Abreojos Point 
April 19th. 
Pelidna alpina sakhalina (Vieill). Red-backed Sandpiper. Several small 
flocks seen at Abreojos Point April 19th. 
Ereunetes occidentalis Lawr. Western Sandpiper. Commonly seen along this 
coast up to about May 15th. 
Calidris arenaria (Linn.). Sanderling. Common in small flocks at San Geron- 
imo Island March 15th and at Abreojos Point April 19th. 
Limosa fedoa (Linn.). Marbled Godwit. Fairly common at Turtle Bay April 
14th; a few seen at San Geronimo Island March 15th. 
Symphemia semipalmata inornata Brewst. Western Willet. Common at 
Turtle Bay March 14th and at Abreojos Point April 19th. 
Heteractitus incanus (Gmfx.). Wandering Tati.er. Seen along the 
beaches at Todos Santos Island March 10th, at San Geronimo Island March 15th, 
at San Martin Island March 12th, at San Benitos Islands March 27th, at San 
Roque Island April 1 6th , at Ascuncion Island April 18th, at San Benedicte Island 
April 30th, at Socorro Island May 10th, and at Clarion Island May 20th. 
Actitis macularia (Linn.). Spotted Sandpiper. Not common; seen at San 
Geronimo Island March 15th and at Socorro Island May 14th. 
Numenius longirostris Wils. Long-billed Curlew. Quite common in flocks at 
Turtle Bay April 14th. 
Numenius hudsonicus Lath. Hudsonian Curlew. San Geronimo Island March 
15th; common at Turtle Bay April 14th. 
Charadrius squatarola (Linn.). Black-bellied Plover. San Geronimo Island 
March 15th; quite common at Turtle Bay, April 14th, moving in large flocks. 
Charadrius dominicus Mueix. American Golden Plover. One specimen taken 
on Clarion Island May 21st. 
Aigialitis nivosa Cass. Snowy Plover. Common at Abreojos Point April 19th. 
Ochthodromus wilsonius (Ord.). Wilson Plover. Quite a number of this spec- 
ies seen at Abreojos Point June 17th. 
