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ML646947629

Red Crossbill (Appalachian or type 1) Loxia curvirostra (type 1)

報告

提供者

Sam Denenberg 來自這個貢獻者的影音 個人檔案

日期

14日 12月 2025年 eBird 紀錄清單 S288663536

地點

Patuxent Research Refuge--Central Tract (Restricted Access)
Prince George's, Maryland, United States
來自這個地點的影音 影音名錄
地圖
地圖 座標: 39.0491905, -76.7986274
年齡
未確定
性別
未確定
回播
未確定

觀察細節

Noticed a larger dark red bird in a goldfinch flock bouncing above the treetops by the quail building. I tried to get on the bird just as the flock dipped below the treeline, but then I started hearing the characteristic JIP JIP JIP call notes in addition to the goldfinch calls. Luckily dropped my bins and started recording just as the flock popped back above the nearest treeline and was momentarily overhead before heading back out of sight. Edit 12/15/25 to add more discussion on type ID: I'm still pretty new to interpreting RECR spectrograms, but after a look in the finch guide I'm labeling as type 1. Very vertical spec with a sharp downward ending; much sharper slope than seen in type 2. Lacking "lightning bolt" shape seen in type 3. Peak landed between 4 and 5kHz, whereas type 12 should land closer to 6kHz. Type 2, type 3, and type 12 "should" be more likely here according to Finch Research Network occurrence/irruption maps, although these things tend to pop up wherever it seems. Appears to be only the 2nd record in MD east of Garrett with audio (on ebird at least); the other in Baltimore in 2018. Also looks to be the one of the furthest eastern records of Type 1 in the mid-Atlantic outside of a couple at Cape May (2012, 2013, 2020) and one in North Carolina (2022).

技術資訊

錄音機
麥克風
配件
原始檔案大小
3.32 MB

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