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Wildlife Osprey

Single-class detection model for Osprey, fine-tuned from the Ultralytics YOLO26s backbone (pretrained on COCO).

KindOtherVersionRevision 17db83a

Model source

Kind
Other
File size
19.4–36.4 MB
Version
vRevision 17db83a
Updated
Sep 19, 2026
Downloads
2
Source
Hugging Face

Source description

Model Card — Osprey (Pandion haliaetus)

Single-class detection model for Osprey, fine-tuned from the Ultralytics YOLO26s backbone (pretrained on COCO).

Model file: yolo26s_finetuned_osprey_by_J.Gong_uwyo_2026-05-28.pt

Training Details

PropertyValue
Base modelyolo26s.pt (COCO pretrained, Ultralytics)
ArchitectureYOLO26s
Input size640 × 640
Epochs150
OptimizerMuSGD, lr=0.002, momentum=0.9
Augmentationmosaic=1.0, degrees=10°, scale=0.5, fliplr=0.5, hsv_h/s/v
DeviceNVIDIA RTX 5000 Ada Generation (32 GB, CUDA 12.8)
Training date2026-05-28
AuthorJian Gong, University of Wyoming

Dataset

Images sourced from iNaturalist (research-grade observations). Bounding boxes generated by MegaDetector v5a (confidence ≥ 0.15). Split 80 / 10 / 10 train / val / test.

SplitImages
train236
val29
test30

Performance

Evaluated on the held-out validation set (best checkpoint).

MetricValue
mAP500.9477
mAP50-950.7673

Usage

from ultralytics import YOLO
model = YOLO("models/osprey/yolo26s_finetuned_osprey_by_J.Gong_uwyo_2026-05-28.pt")
results = model.predict("image.jpg", conf=0.25)

Sources

1 source
Hugging FacePrimaryVersion 17db83a8c5b27c4dd3091a1e16b252900629b7cd
huggingface.co/UWyo/wildlife-osprey/tree/17db83a8c5b27c4dd3091a1e16b252900629b7cd

Verified Sep 9

Model artifacts

2 artifacts

yolo26s_finetuned_osprey_by_J.Gong_uwyo_2026-05-28.onnx

onnx · 36.4 MB · SHA-256 927a2f918cdd…a8aa · Hugging Face

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yolo26s_finetuned_osprey_by_J.Gong_uwyo_2026-05-28.pt

pt · 19.4 MB · SHA-256 54da75809bbe…95e1 · Hugging Face

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Source excerpts

2 excerpts

--- license: cc-by-4.0 library_name: ultralytics pipeline_tag: object-detection tags: - wildlife - yolo - yolo26 - object-detection - camera-trap - osprey --- # Model Card — Osprey (*Pandion haliaetus*) Single-class detection model for Osprey, fine-tuned from the Ultralytics YOLO26s backbone (pretrained on COCO). **Model file:** `yolo26s_finetuned_osprey_by_J.Gong_uwyo_2026-05-28.pt` ## Training Details | Property | Value | |----------|-------| | Base model | yolo26s.pt (COCO pretrained, Ultralytics) | | Architecture | YOLO26s | | Input size | 640 × 640 | | Epochs | 150 | | Optimizer | MuSGD, lr=0.002, momentum=0.9 | | Augmentation | mosaic=1.0, degrees=10°, scale=0.5, fliplr=0.5, hsv_h/s/v | | Device | NVIDIA RTX 5000 Ada Generation (32 GB, CUDA 12.8) | | Training date | 2026-05-28 | | Author | Jian Gong, University of Wyoming | ## Dataset Images sourced from iNaturalist (research-grade observations). Bounding boxes generated by MegaDetector v5a (confidence ≥ 0.15). Split 80 / 10 / 10 train / val / test. | Split | Images | |-------|-------:| | train | 236 | | val | 29 | | test | 30 | ## Performance Evaluated on the held-out validation set (best checkpoint). | Metric | Value | |--------|------:| | mAP50 | 0.9477 | | mAP50-95 | 0.7673 | ## Usage ```python from ultralytics import YOLO model = YOLO("models/osprey/yolo26s_finetuned_osprey_by_J.Gong_uwyo_2026-05-28.pt") results = model.predict("image.jpg", conf=0.25) ```

Source context: 2 downloads · 0 likes · Pipeline object-detection · Library ultralytics · Repo UWyo/wildlife-osprey