Third Record of Black-chinned Hummingbird, Archilochus Alexandri, in Oregon
Notice bibliographique
Résumé
General Notes toot.1934).The adult male did not appear until 8:00 p.m. on April 3, when the adult female called from the nest ledge and was answered by the adult male from a nearby elm tree.The table shows that most of the food items brought to the nest ledge were decapitated, especially the larger forms.The adult owl would take the food from the reserve supply to the nest where it would be eaten at intervals during the day and night.For example, at 5:00 p.m. on March 24 there were three Bronzed Grackles on the nest ledge with one pigeon in the nest; all four birds were decapitated.By 3:45 p.m. the next day only one Bronzed Grackle remained outside the center window; but outside the west window was the wing, rump, tail and leg of a Coot.Then at 8:45 a.m. on March 29, a rabbit and one Pied-billed Grebe, both headless, were outside the center window.One wing of the grebe was in the nest.That night it rained and the next morning all the food had been eaten.--Roo•RO. O[•s•r•D, 818 Alabama Street, Lawrence, Kansas.First Breeding Record of Black Swift, Nephoecetes n. borealis, in Colorado.--The Northern Black Swift, has been seen in Colorado on various occasions during the last 70 years.J.M. Drew collected ten individuals in 1881-1882 in San Juan County (Bull.Nutt.Orn.Club, 1881: 140, and 1882: 182).Widmarm (Auk, 28: 313, 1911) saw five in July over Glacier Meadow.Other reports have placed them variously at the towns of Trinidad, Montrose, and in Huerfano County.Bailey and Niedrach of the Denver Museum of Natural History told us of seeing them in San Juan County some years ago, and with the approval and assistance of these two gentlemen, we undertook to discover the nesting place of these birds.On July 21, 1949, we found a colony of approximately eight pairs nesting in a gorge in the San Juan mountains, adjacent to a 150-foot waterfall.This colony proved to be inaccessible without the use of elaborate mountaineering equipment.Three days later we found a more accessible colony 15 miles away.This colony was also in a gorge, adjacent to a series of waterfalls, and apparently consisted of six or seven pairs.Both sites were located in the upper Canadian Zone, elose to 10,000 feet, the terrain being typical of the rugged precipitous San Juan mountains.At the latter site, the falls had cut through the ancient igneous rock to a depth of 40 feet at several places.The nest we were able to reach was located 25 feet above a deep pool at the base of the largest falls in a cavity 10 inches high, 12 inches wide and 8 inches deep.The sun never shone on the nest.We noticed that the swifts chose nesting sites close to falling water, most of them being subjected to a continuous spray.However, one nest was observed at least 20 feet from the nearest water and was quite dry.The nests are constructed of mud and moss, the moss continuing to grow on the nest.The males spend most of the day foraging far from the nesting area, returning at infrequent intervals, while the females incubate.The females occasionally leave their nests for short periods of time for the purpose of feeding.On July 27, 1949, we photographed and collected a nest and its single egg, the first to be taken in Colorado and the female (DMNH 25551).The nest weighed 1.5 lbs.and the egg, 5.5 grams.All are now in the museum collection.--Ow•N A.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,001 | 0,001 |
| Études des sciences et des technologies | 0,002 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,003 | 0,001 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».