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29 results for “Whistle”
Wood duck nest survival and duckling recruitment is minimally affected by interspecific brood parasitism from hooded mergansers and black-bellied whistling-ducks
<p>In the southeastern United States, wood ducks (<em>Aix sponsa</em>) have historically experienced interspecific brood parasitism (IBP) primarily from hooded mergansers (<em>Lophodytes cucullatus</em>), but the recent northward expansion of black-bellied whistling-ducks (<em>Dendrocygna autumnalis</em>) has added a new complexity to these interactions. We monitored nest boxes in Louisiana to evaluate the influence IBP had on wood duck daily nest survival rate (after, DSR) and duckling recruitment. We monitored 1,295 wood duck nests from 2020−2023 and found 112 (8.7%) were parasitized by hooded mergansers and 148 (11.5%) by whistling-ducks. Parasitic egg-laying by hooded mergansers lowered wood duck DSR, while DSR for nests parasitized by whistling-ducks was comparable to clutches containing only wood duck eggs. We considered the wood duck capture histories of 2,465 marked female ducklings and 540 banded adult females to estimate a duckling recruitment probability for the entire study period. We recaptured 50 ducklings as adults; 6 (12.0%) hatched from clutches parasitized by hooded mergansers, 1 (2.0%) from a clutch parasitized by a whistling-duck, and 43 (86.0%) from clutches containing only wood duck eggs. The duckling recruitment probability was 0.039 (95% credible interval = 0.028, 0.051). Nest initiation date had a negative effect on recruitment, wherein most recruits hatched from nests initiated earlier in the season. Given only ~9% of wood duck nests contained hooded merganser eggs, we conclude IBP writ large had no detrimental effect on DSR at a population level. The lower DSR of clutches parasitized by hooded mergansers is potentially linked to a high abundance of early-season parasites that produce "dump nests" and these clutches are often abandoned without being incubated. Despite ongoing parasitism by hooded mergansers and the range expansion of whistling-ducks, wood duck productivity in Louisiana appears to be minimally affected by interspecific brood parasitism.</p>
Wood duck nest survival and duckling recruitment is minimally affected by interspecific brood parasitism from hooded mergansers and black-bellied whistling-ducks
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Whistling Effigy Jar | NCMA Explore
This work of art is a whistling, double-spout-and-bridge bottle. It has a straight, open spout at one side, on the top, with a bridge-like handle leading to a closed spout on the other side. The closed spout was modeled to represent a human figure playing a musical instrument. The vessel was designed as a water pitcher that forces air through a whistle inside one chamber. When water is poured out of it, the air creates a whistling sound. The human figure has pierced ears and wears a headband with incised, or carved, chevron designs. When the mouthpiece is blown, the nose of the human figure also makes a whistling sound. [https://learn.ncartmuseum.org/artwork/whistling-effigy-jar/ ](http://) *v2.0* Source: Objaverse 1.0 / Sketchfab
clay owl whistle
Old owl whistle made of clay. Shot with a old Lumix find in the attic. 43 shots and Photoscan 1.4 Source: Objaverse 1.0 / Sketchfab
Whistling in the dark by Robert Arneson
*"A pioneering California ceramicist, Robert Arneson completed numerous monumental portrait heads during the 1970s. Like much of the artist's work from this period, Whistling in the Dark depicts Arneson himself. This terracotta head, which the artist darkened by closing the gas kiln more than would have been customary, wears a relatively subdued expression compared to other works from the same period depicting Arneson's grotesquely manipulated visage."* https://whitney.org/collection/works/2103 Captured at the Whitney Museum with Polycam Photo mode. Source: Objaverse 1.0 / Sketchfab
Jaguar Whistle
[Whistle in the Form of a Jaguar](http://egallery.williams.edu/objects/9147/whistle-in-the-form-of-a-jaguar?ctx=471b3a4e-dcb6-408c-85d9-26abe7a8b139&idx=0), Williams College Museum of Art. 1000-1550 CE. Found in Costa Rica. Terra cotta with black, white and red alligator slip. Source: Objaverse 1.0 / Sketchfab
Whistle
District Museum in Tarnów Inventory number: MT-E/3510 https://muzea.malopolska.pl/en/objects-list/2337 Source: Objaverse 1.0 / Sketchfab
Maya Bird Whistle
This prehistoric artifact was unearthed at the site of Chan Chich in western Belize in 2017 by students from Texas Tech University. It is a whistle or simple cermic flute that was found at a domestic/living area east of the site's core. This musical insturement is about 6 cm tall. If you have a 3D printer, the artifact can be downloaded, printed, and played for your enjoyment. Source: Objaverse 1.0 / Sketchfab
Louisiana black-bellied whistling-duck clutch characteristics in the presence of conspecific and interspecific brood parasitism
<p>Black-bellied Whistling-Ducks (Dendrocygna autumnalis; hereafter Whistling-Duck) are undergoing a rapid range expansion northward and now breed throughout the southeastern United States. As a facultative cavity-nesting species, they have the potential to compete with Wood Ducks (Aix sponsa) and Hooded Mergansers (Lophodytes cucullatus) for nest sites. Little is known about Whistling-Duck breeding biology, and estimates of clutch characteristics and rates of conspecific and interspecific brood parasitism (hereafter, CBP and IBP respectively) are lacking. We monitored Whistling-Duck nests in Louisiana to describe nesting chronology, clutch size of parasitized and unparasitized (hereafter, normal) nests, and hatchability (i.e., the portion of eggs that hatched) for clutches of different sizes and types. We monitored a total of 558 nest boxes 2020–2021 and determined the presence of brood parasitism for 231 Whistling-Duck nests. CBP was detected in 73 (31.6%) nests, and IBP was observed in 51 (22.1%) nests parasitized by Wood Ducks, 2 (0.9%) nests parasitized by Hooded Mergansers, and 1 nest contained eggs from all three species. Normal clutches were smaller (15.4 ± 4.4 eggs) than CBP clutches (26.1 ± 8.8 eggs) and mixed clutches (22.2 ± 5.3 eggs; clutches containing Wood Duck or Hooded Merganser eggs; all pairwise P < 0.0001). However, within-clutch repeatability estimates for egg morphology data (i.e., length, width, and mass) were low (< 0.40) for normal clutches, suggesting CBP went undetected. Of 180 fated nests used to determine hatchability, 66 (36.7%) were successful, 49 (27.2%) were abandoned, 64 (35.6%) were depredated, and 1 (0.6%) was nonviable. Considering successful nests, hatchability was high for all clutch size bins ranging from 67.4% (41-45 eggs) to 81.6% (11-15 eggs). This study is the first to document Whistling-Ducks successfully hatching mixed-species broods, and such high productivity could be contributing to whistling-duck range expansion.</p>
Цацка-свістулька "Вершнік на кані"/A toy whistle
KP 7090 K 1241; Zygmund L. Zhilinsky; Ruzhany/ Pruzhany Region / Brest oblast / BSSR; 1985; clay; modeling, squeezing (pinching), firing; 13 x 11,5. Zyhmund Zhylinsky (1911 – 1988) is a craftsman from Ruzhany made this toy for our museum. Mr. Zhylinsky's most recognizable artwork is a Horseman. This Horseman is represented in different headdresses: a forage cap, a peaked cap, a side cap, or even a crown and many others. Source: Objaverse 1.0 / Sketchfab
Bird-shaped whistle from 15th c.
This hollow figure of a bird has a mouth piece in its front, indicating that it was a type of whistle. Partially filled with water and blown into, the whistle would warble like a songbird, hence the whistle's shape. The original object was recently discovered in an archaeological dig around the childhood home of Martin Luther (1483–1546). See https://sketchfab.com/models/b7908d4fb06c49fc91d88a7ef8bd86dc# and http://here-i-stand.com/en/order#three-d-objects for more details. Source: Objaverse 1.0 / Sketchfab
Louisiana black-bellied whistling-duck clutch characteristics in the presence of conspecific and interspecific brood parasitism
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Bounding-box detection data for delphinid whistles
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Whistle variation in Mediterranean common bottlenose dolphin: the role of geographical, anthropogenic, social and behavioural factors
<p>The studies on the variation of acoustic communication in different species have provided insight that genetics, geographic isolation and adaptation to ecological and social conditions play important roles in the variability of acoustic signals. The dolphin whistles are communication signals that can vary significantly among and within populations. Although it is known that they are influenced by different environmental and social variables, the factors influencing the variation between populations have received scant attention. In the present study, we investigated the factors associated to the acoustic variability in the whistles of common bottlenose dolphin (<i>Tursiops truncatus</i>), inhabiting two Mediterranean areas (Sardinia and Croatia). We explored which factors, among 1) geographical isolation of populations, 2) different environments in terms of noise and boat presence and 3) social factors (including group size, behaviour and presence of calves), were associated to whistle characteristics. We first applied a principal component analysis to reduce the number of collinear whistle frequency and temporal characteristics, and then generalised linear mixed models on the first two principal components. The study revealed that both geographic distance/isolation and local environment are associated to whistle variations between localities. The prominent differences in the acoustic environments between the two areas, which contributed to the acoustic variability in the first principal component (PC1), were found. The calf's presence and foraging and social behaviour were also found to be associated with dolphin whistle variation. The second principal component (PC2) was associated only to locality and group size, showing that longer and more complex tonal sound may facilitate individual recognition and cohesion in social groups. Thus, both social and behavioural context influenced significantly the structure of whistles, and they should be considered when investigating acoustic variability among distant dolphin populations to avoid confounding factors.</p>
Data from: Whistling shares a common tongue with speech: bioacoustics from real-time MRI of the human vocal tract
Most human communication is carried by modulations of the voice. However, a wide range of cultures has developed alternate forms of communication that make use of a whistled sound source. For example, whistling is used as a highly salient signal for capturing attention, can have iconic cultural meanings such as the cat-call, enact a formal code as in boatswain's calls, or stand as a proxy for speech in whistled languages. We used real-time magnetic resonance imaging to examine the muscular control of whistling to describe a strong association between the shape of the tongue and the whistled frequency. This bioacoustic profile parallels the use of the tongue in vowel production. This is consistent with the role of whistled languages as proxies for spoken languages, in which one of the acoustical features of speech sounds are substituted with a frequency modulated whistle. Furthermore, previous evidence that non-human apes may be capable of learning to whistle from humans suggests that these animals may have similar sensorimotor abilities to those that are used to support speech in humans.
On following pages: 385. Yalden's Vlei Rat (Otomys yaldeni); 386. Burton's Vlei Rat (Otomys burton); 387. Western Vlei Rat (Otomys occidentalis); 388. Barbour's Vlei Rat (Otomys barbouri); 389. Rwenzori Vlei Rat (Otomys dartmouthi): 390. Dent's Vlei Rat (Otomys denti); 391. Dolliman's Vlei Rat (Otomys dollmani); 392. Mount Elgon Vlei Rat (Otomys jacksoni); 393. Afroalpine Vlei Rat (Otomys orestes); 394. Thomas's Vlei Rat (Otomys thomas); 395. EastAfrican Vlei Rat (Otomys tropicalis); 396. Tanzanian Vlei Rat (Otomys lacustris); 397. Eastern Arc Vlei Rat (Otomys sungae); 398. Udzungwa Vlei Rat (Otomys uzungwensis); 399. MountKilimanjaro Vlei Rat (Otomys zinki): 400. Angolan Vlei Rat (Otomys anchietae); 401. Cuanza Vlei Rat (Otomys cuanzensis); 402. Angoni Vlei Rat (Otomys angoniensis); 403. South East African Vlei Rat (Otomys auratus); 404. Southern African Vlei Rat (Otomys irroratus): 405. Fynbos Vlei Rat (Otomys karoensis); 406. KwaZulu Natal Vlei Rat (Otomys laminatus); 407. Sloggett's Vlei Rat (Otomys sloggett)); 408. Karoo Vlei Rat (Otomys unisulcatus); 409. Brants's Whistling Rat (Parotomys brantsii); 410. Littledale's Whistling Rat (Parotomyslittledale). in Muridae
On following pages: 385. Yalden's Vlei Rat (Otomys yaldeni); 386. Burton's Vlei Rat (Otomys burton); 387. Western Vlei Rat (Otomys occidentalis); 388. Barbour's Vlei Rat (Otomys barbouri); 389. Rwenzori Vlei Rat (Otomys dartmouthi): 390. Dent's Vlei Rat (Otomys denti); 391. Dolliman's Vlei Rat (Otomys dollmani); 392. Mount Elgon Vlei Rat (Otomys jacksoni); 393. Afroalpine Vlei Rat (Otomys orestes); 394. Thomas's Vlei Rat (Otomys thomas); 395. EastAfrican Vlei Rat (Otomys tropicalis); 396. Tanzanian Vlei Rat (Otomys lacustris); 397. Eastern Arc Vlei Rat (Otomys sungae); 398. Udzungwa Vlei Rat (Otomys uzungwensis); 399. MountKilimanjaro Vlei Rat (Otomys zinki): 400. Angolan Vlei Rat (Otomys anchietae); 401. Cuanza Vlei Rat (Otomys cuanzensis); 402. Angoni Vlei Rat (Otomys angoniensis); 403. South East African Vlei Rat (Otomys auratus); 404. Southern African Vlei Rat (Otomys irroratus): 405. Fynbos Vlei Rat (Otomys karoensis); 406. KwaZulu Natal Vlei Rat (Otomys laminatus); 407. Sloggett's Vlei Rat (Otomys sloggett)); 408. Karoo Vlei Rat (Otomys unisulcatus); 409. Brants's Whistling Rat (Parotomys brantsii); 410. Littledale's Whistling Rat (Parotomyslittledale).
Supplementary material 1 from: Leonhardt F, Arranz Aveces C, Müller A, Angin B, Jegu M, Haynes P, Ernst R (2022) Low genetic diversity in a widespread whistling alien: A comparison of Eleutherodactylus johnstonei Barbour, 1914 (Eleutherodactylidae) and congeners in native and introduced ranges. NeoBiota 79: 31-50. https://doi.org/10.3897/neobiota.79.86778
Detailed information on all populations of the three congeneric taxa used in the molecular data sets of this study
Turkish whistle language
<p>Güntürkün, O., Güntürkün, M., Hahn, C., Challenging the left hemisphere: Encoding of whistle language modifies brain asymmetries, Current Biol., 2015, 25, R693–R710.</p> <p>This is a scene taken in the village Kusköy (Northeast Turkey, close to the Black Sea, Giresun province) during a whistle conversation of Halil (in the front) and Kücük (in the distance on the terrace of his house). You can follow their chat with the subscript.</p>
Pfeifvogel / Bird-shaped Whistle
***Pfeifvogel*** *Mansfeld, Luthers Elternhaus Lutherstraße 24–26* *um 1500* *weiße Irdenware* *H 6,5 cm* >Landesamt für Denkmalpflege und Archäologie Sachsen-Anhalt Diese hohle Figur eines Vogels hat ein Mundstück an seinem vorderen Ende, was darauf hinweist, dass es sich um ein Pfeife handelt. War sie teilweise mit Wasser gefüllt u. wurde in ihr Mundstück geblasen, so trällerte sie wie ein Singvogel, wodurch sich ihre Form erklärt. --- ***Bird-shaped Whistle*** *Mansfeld, Luther's parents' home, Lutherstraße 24–26* *About 1500* *White, fired clay* *H 6.5 cm* >State Office for Heritage Management and Archaeology Saxony-Anhalt This hollow figure of a bird has a mouth piece in its front, indicating that it was a type of whistle. Partially filled with water and blown into, the whistle would warble like a songbird, hence the whistle's shape. --- Literature: Nebelsick, Louis, 'Bird-shaped Whistle', in: Harald Meller et al. (eds.), Martin Luther. Treasures of the Reformation. Dresden 2016, No. 4. Source: Objaverse 1.0 / Sketchfab
Whistle variation in Mediterranean common bottlenose dolphin: the role of geographical, anthropogenic, social and behavioural factors
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