Hi folks,

Hot on the heels of the January 1995 Auk, we get the April '95 volume. =
They must be on the fast-track for getting these out, now...

Thought that a few of us might be interested in the contents. Enjoy...

Jon. - this is the only way I'll get through these journals - Anderson
Olympia, Washington
festuca at olywa.net


Breeding biology of White-winged Trumpeters (Psophia leucoptera) in =
Peru. Peter T Sherman. pp 285-295. Study of cooperatively polyandrous =
groups in Manu Natl Park in SE Peru. Color photos.

Social organization of cooperatively polyandrous White-winged Trumpeters =
(Psophia leucoptera). Peter T Sherman. pp 296-309. Evolution of =
cooperative breeding appears to be related to need to defend large =
permanent territories (72 ha) to provide access to sufficient food =
during the dry season when resources are scarce.

How convergent is the American Redstart (Setophaga ruticilla, Parulinae) =
with Flycatchers (Tyrannidae) in morphology and feeding behavior? Allen =
Keast, Laura Pearce and Sari Saunders. pp 310-325. "The Redstart is a =
unique adaptive and ecomorphological type among north American =
passerines." Convergent evolution.

Brown Noddies on Cayo Noroeste, Culebra, Puerto Rico: What happened in =
1990? Ralph D Morris and John W Chardine. pp 326-334. Only 68% of =
adults alive in 1989 returned to breed in 1990, as compared to 90% in =
other years. Suggests that hurricane Hugo caused mortality of adults.

Mechanisms of short incubation period in brood-parasitic cowbirds. =
Gustavo H Kattan. pp 335-342. The hypothesis that cowbird embryos have =
elevated growth rates was not supported because embryos did not have =
higher metabolic rates than expected; rather cowbirds shorten incubation =
period by reducing the energy content of the egg.

Assessing the consequences of brood parasitism and nest predation on =
seasonal fecundity in Passerine birds. Craig M Pease and Joseph A =
Grzybowski. pp 343-363. Used a mathematical model to analyze Prairie =
Warbler and Black-capped Vireo nesting data; predicted fecundity matched =
measured values.

Gapes of sexually dimorphic blackbird nestlings do not show sexually =
dimorphic growth. Anne Barrett Clark. pp 364-374. Discussion of =
sibling competition related to gape size in Yellow-headed and Red-winged =
Blackbirds.

Long-term trends in habitat selection by Kentucky Warblers. Wm J McShea, =
M Victoria McDonald, Eugene S Morton, Rose Meier and John H Rappole. pp =
375-381. Oporornis formosus selected forested areas with cove hardwoods =
and avoided oak/hickory overstory; were more often found in areas that =
contained streams and in areas with low white-tailed deer (Odocoileus =
virginianus) densitied.

Hormonal and reproductive effects of low levels of petroleum fouling in =
Magellanic Penguins (Spheniscus magellanicus). Gene S Fowler, John C =
Wingfield and P Dee Boersma. pp 382-389. =20

Influence of group size and habitat type on reproductive success in =
Common Murres (Uria aalge). Julia K Parrish. pp 390-401. On Tatoosh =
Island, Washington, murres nest in densely-packed colonies ranging in =
size from ones to several thousand. 2 types of subcolonies: cliff-top =
and cliff-face. Murres subject to predatory pressure from =
Glaucous-winged Gulls and Northwestern Crows. Murres in cliff-top =
colonies more likely to be attacked by raptors (Bald Eagle and Peregrine =
Falcon). Despite raptor-facilitated egg predation, the majority of the =
murre population nests in cliff-top colonies. Murre numbers on Tatoosh =
have been steadily increasing, at least doubling within the last decade. =
Such a large and sustained annual increase suggests that Tatoosh is not =
a closed system, but that immigration probably augments the return of =
first-year breeders.

Variation in male plumage and behavior of the Hawaii Akepa. Jaan K =
Lepson and Leonard A Freed. pp 402-414. Variation primarily due to a =
2-year delay in plumage maturation by young males. The existence of both =
femalelike and malelike subadult plumage in the population is unlike N =
American passerines with delayed maturation - especially cardueline =
finches which are considered the closest relatives of the Hawaiian =
honeycreepers.

Responses of Zebra Finches (Taeniopygia guttata) to experimental =
intraspecific brood parasitism. Benjamin Fenske and Nancy Tyler Burley. =
pp 415-420. Added eggs to captive finch nests in early, mid- and late =
nesting. Females in early treatment appeared to curtail egg laying. =
Parasitized nests were more often abandoned.

Comparative study of winter body compositions of resident and migrant =
Grey-breasted Silvereyes. Ken Chan. pp 421-428. Partially migratory race =
of Zosterops l. lateralis from Tasmania. Food, cold... Doesn't really =
come up with a good reason for why the birds might go to Australia for =
the winter....

Kleptoparasitism of American Coots by Gadwalls and its relationship to =
social dominance and food abundance. Craig R LeSchack and Gary R Hepp. =
pp 429-435. Food-stealing Gadwalls spent less time feeding and more time =
searching for food than did non-kleptoparasites. Behavior influenced by =
social dominance; kleptoparasitism is an alternative foraging strategy =
used by subordinate Gadwalls that do not have access to good feeding =
areas. Study at Guntersville Reservoir on Tennessee River in NE =
Alabama.

Color, size, and location of artificial fruits affect sucrose avoidance =
by Cedar Waxwings and European Starlings. Michael L Avery, David G =
Decker, John S Humphrey, A Alycin Hayes and Cynthia C Laukert. pp =
436-444. Offered birds artificial red and green fruits containing =
sucrose or hexose sugars; birds preferred hexose. Development of =
high-sucrose cultivars may alleviate depredation to fruit crops by =
sucrose-deficient species like starlings, as well as by inefficient =
sucrose-digesting species like waxwings.

Genetic diversity in two avian species formerly endemic to Guam. Susan M =
Haig and Jonathan D Ballou. pp 445-455. Micronesian Kingfisher and Guam =
Rail now survive only in captivity. Allozyme analyses of kingfishers =
revealed no genetic diversity. Rails had average to high allozyme =
heterozygosity.

Hummingbird licking behavior and the energetics of nectar feeding. W =
Mark Roberts. pp 456-463. UBC study of one captive male Rufous hummer, =
measured licking frequency and volume per lick, which decreased with =
increasing sucrose concentration.

Phylogeny of social behavior in Aphelocoma Jays: A role for =
hybridization? Jerram L Brown and Shou-Hsien Li. pp 464-472. The =
Florida Scrub Jay appears to be closely related to the population of =
Scrub Jays in southern Mexico, and together the two constitute a =
distinct clade within this superspecies.

Monogamy in Leach's Storm-petrel: DNA-fingerprinting evidence. Robert A =
Mauck, Thomas A Waite and Patricia G Parker. pp 473-482. Study at Kent =
Is, New Brunswick, Canada indicates that breeding system (genetic =
monogamy) matches the mating system (social monogamy), a condition that =
can no longer be assumed in socially monogamous bird species.

Importance of tactile and visual stimuli of eggs and nest for =
termination of egg laying of Red Junglefowl. Theo Meijer. pp 483-488. =
Red Junglefowl do not appear to judge clutch size visually. When eggs =
were left in the nest, hens stopped laying after 8.2 days. When only 1 =
egg was left in the nest, hens stopped laying after 8.4 days. When eggs =
were visible under screen, hens stopped laying after 9.8 days. =
"Surprisingly" when all eggs were removed, hens stopped laying after =
13.9 days. (Ol' Theo must never have had chickens around the place when =
he was a kid - this didn't surprise me at all... it's how poultry people =
keep the eggs coming!)

In Memoriam: Wilbur Brooks Quay, 1927-1994. Oliver P Pearson.
In Memoriam: David E Davis, 1913-1994. John J Christian.

Stable-isotope Ratios of Carbon and Nitrogen in Feathers Indicate =
Seasonal Dietary Shifts in Northern Fulmars. David R Thompson and Robert =
W Furness. pp 493-498. At St. Kilda.

Fear and Food Recognition in Naive Common Ravens. Bernd Heinrich, John =
Marzluff and William Adams. pp 499-503.=20

Survival Rates of Puerto Rican Birds: Are Islands Really That Different? =
John Faaborg and Wayne J Arendt. pp 503-507. no

Adoption of Chicks Among Thick-Billed Murres. Anthony J Gaston, =
Christine Eberl, Mark Hipfner and Kara Lefevre. pp 508-510. Coats =
Island, N.W.T., Canada. Original parents in their study took no =
interest in their chicks after they had fallen from the site, despite =
being in hearing range of the chick's call. All adopted chicks were <10 =
days old at adoption. Adoption may be a regular feature at this colony.

Reinterpretation of the Probable Parentage of a Hybrid Wood-warbler =
(Seiurus X Dendroica). Kenneth C Parkes. pp 510-511. Examination of =
hybrid, described in Short and Robbins (1967), appears to be Northern =
Waterthrush X Cape May Warbler rather than NOWA X Blackpoll.

Mammalian Irritants as Chemical Stimuli for Birds: The Importance of =
Training. J Russell Mason and Larry Clark. pp 511-514. =20

Interspecific Cooperative Nesting Between Barn Swallows and Say's =
Phoebes in South-central New Mexico. Jeffrey M Kozma and Nancy E =
Mathews. pp 515-517.=20

Size and Abundance: Breeding Population Density of the Calliope =
Hummingbird. Wm A Calder and Lorene L Calder. pp 517-521. Swan Valley, =
Montana

Definitions for Migrant Birds: What is a Neotropical Migrant? Floyd E =
Hayes. pp 521-523. Suggests terms such as 'Nearctic-Nearctic' and =
'Nearctic-Neotropical' migrants, or 'tropical Nearctic migrants'.