{
  "id": 569610,
  "title": "BirdCLEF 2020–2025: Trends and Insights from Five Years of Competition",
  "url": "/competitions/birdclef-2025/discussion/569610",
  "author_name": "",
  "post_date": "2025-03-22T22:48:58.509712800Z",
  "votes": 12,
  "comment_count": 4,
  "views": 0,
  "content": "<table>\n<thead>\n<tr>\n<th><strong>Category</strong></th>\n<th><strong>BirdCLEF 2020</strong></th>\n<th><strong>BirdCLEF 2021</strong></th>\n<th><strong>BirdCLEF 2022</strong></th>\n<th><strong>BirdCLEF 2023</strong></th>\n<th><strong>BirdCLEF 2024</strong></th>\n<th><strong>BirdCLEF 2025</strong></th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td><strong>Data size (GB)</strong></td>\n<td>25.35</td>\n<td>42.18</td>\n<td>6.61</td>\n<td>5.29</td>\n<td>23.43</td>\n<td>12.38</td>\n</tr>\n<tr>\n<td><strong>#files</strong></td>\n<td>21382</td>\n<td>62902</td>\n<td>14858</td>\n<td>16945</td>\n<td>32907</td>\n<td>38295</td>\n</tr>\n<tr>\n<td><strong>Audio Format</strong></td>\n<td>MP3, 44.1kHz, 16-bit</td>\n<td>OGG, 32kHz</td>\n<td>OGG, 32kHz</td>\n<td>OGG, 32kHz</td>\n<td>OGG, 32kHz</td>\n<td>OGG 32kHz</td>\n</tr>\n<tr>\n<td><strong>Location</strong></td>\n<td>USA</td>\n<td>USA</td>\n<td>Hawai</td>\n<td>Kenya</td>\n<td>India</td>\n<td>Colombia</td>\n</tr>\n<tr>\n<td><strong>Unique Species</strong></td>\n<td>264</td>\n<td>397</td>\n<td>152</td>\n<td>264</td>\n<td>182</td>\n<td>206</td>\n</tr>\n<tr>\n<td><strong>Evaluation Metric</strong></td>\n<td>micro-averaged F1-Score</td>\n<td>micro-averaged F1-Score</td>\n<td>Macro F1-Score</td>\n<td>padded cmAP</td>\n<td>macro-averaged ROC-AUC</td>\n<td>macro-averaged ROC-AUC</td>\n</tr>\n<tr>\n<td><strong>CPU Limit</strong></td>\n<td>&lt;=9h</td>\n<td>&lt;=9h</td>\n<td>&lt;=9h</td>\n<td>&lt;=120mins</td>\n<td>&lt;=120mins</td>\n<td>&lt;=90mins</td>\n</tr>\n<tr>\n<td><strong>GPU Limit</strong></td>\n<td>&lt;=2h</td>\n<td>&lt;=3h</td>\n<td>&lt;=9h</td>\n<td>X</td>\n<td>X</td>\n<td>&lt;=60secs</td>\n</tr>\n<tr>\n<td><strong>Avg Submission time per audio min</strong></td>\n<td>-</td>\n<td>-</td>\n<td>-</td>\n<td>-</td>\n<td>1.63 sec</td>\n<td>7.71 sec</td>\n</tr>\n</tbody>\n</table>\n<blockquote>\n  <p>Note: More insights on Challenges, Best Feature Engineering, Top Models Used etc. coming soon!</p>\n</blockquote>\n<h3>References</h3>\n<ol>\n<li>Thanks to <a href=\"https://www.kaggle.com/seshurajup\" target=\"_blank\">@seshurajup</a> for aggregating the links in a common post. <a href=\"https://www.kaggle.com/competitions/birdclef-2025/discussion/567499\" target=\"_blank\">https://www.kaggle.com/competitions/birdclef-2025/discussion/567499</a></li>\n</ol>",
  "messages": [
    {
      "id": "3157075",
      "postDate": "03/22/2025 22:48:58",
      "content": "<table>\n<thead>\n<tr>\n<th><strong>Category</strong></th>\n<th><strong>BirdCLEF 2020</strong></th>\n<th><strong>BirdCLEF 2021</strong></th>\n<th><strong>BirdCLEF 2022</strong></th>\n<th><strong>BirdCLEF 2023</strong></th>\n<th><strong>BirdCLEF 2024</strong></th>\n<th><strong>BirdCLEF 2025</strong></th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td><strong>Data size (GB)</strong></td>\n<td>25.35</td>\n<td>42.18</td>\n<td>6.61</td>\n<td>5.29</td>\n<td>23.43</td>\n<td>12.38</td>\n</tr>\n<tr>\n<td><strong>#files</strong></td>\n<td>21382</td>\n<td>62902</td>\n<td>14858</td>\n<td>16945</td>\n<td>32907</td>\n<td>38295</td>\n</tr>\n<tr>\n<td><strong>Audio Format</strong></td>\n<td>MP3, 44.1kHz, 16-bit</td>\n<td>OGG, 32kHz</td>\n<td>OGG, 32kHz</td>\n<td>OGG, 32kHz</td>\n<td>OGG, 32kHz</td>\n<td>OGG 32kHz</td>\n</tr>\n<tr>\n<td><strong>Location</strong></td>\n<td>USA</td>\n<td>USA</td>\n<td>Hawai</td>\n<td>Kenya</td>\n<td>India</td>\n<td>Colombia</td>\n</tr>\n<tr>\n<td><strong>Unique Species</strong></td>\n<td>264</td>\n<td>397</td>\n<td>152</td>\n<td>264</td>\n<td>182</td>\n<td>206</td>\n</tr>\n<tr>\n<td><strong>Evaluation Metric</strong></td>\n<td>micro-averaged F1-Score</td>\n<td>micro-averaged F1-Score</td>\n<td>Macro F1-Score</td>\n<td>padded cmAP</td>\n<td>macro-averaged ROC-AUC</td>\n<td>macro-averaged ROC-AUC</td>\n</tr>\n<tr>\n<td><strong>CPU Limit</strong></td>\n<td>&lt;=9h</td>\n<td>&lt;=9h</td>\n<td>&lt;=9h</td>\n<td>&lt;=120mins</td>\n<td>&lt;=120mins</td>\n<td>&lt;=90mins</td>\n</tr>\n<tr>\n<td><strong>GPU Limit</strong></td>\n<td>&lt;=2h</td>\n<td>&lt;=3h</td>\n<td>&lt;=9h</td>\n<td>X</td>\n<td>X</td>\n<td>&lt;=60secs</td>\n</tr>\n<tr>\n<td><strong>Avg Submission time per audio min</strong></td>\n<td>-</td>\n<td>-</td>\n<td>-</td>\n<td>-</td>\n<td>1.63 sec</td>\n<td>7.71 sec</td>\n</tr>\n</tbody>\n</table>\n<blockquote>\n  <p>Note: More insights on Challenges, Best Feature Engineering, Top Models Used etc. coming soon!</p>\n</blockquote>\n<h3>References</h3>\n<ol>\n<li>Thanks to <a href=\"https://www.kaggle.com/seshurajup\" target=\"_blank\">@seshurajup</a> for aggregating the links in a common post. <a href=\"https://www.kaggle.com/competitions/birdclef-2025/discussion/567499\" target=\"_blank\">https://www.kaggle.com/competitions/birdclef-2025/discussion/567499</a></li>\n</ol>",
      "rawMarkdown": "| **Category**            | **BirdCLEF 2020** | **BirdCLEF 2021** | **BirdCLEF 2022** | **BirdCLEF 2023** | **BirdCLEF 2024** | **BirdCLEF 2025** |\n|------------------------|------------------|------------------|------------------|------------------|------------------|------------------|\n| **Data size (GB)**              | 25.35 | 42.18 | 6.61 | 5.29 | 23.43 | 12.38 |\n| **#files**          | 21382 | 62902 | 14858 | 16945 | 32907 | 38295 |\n| **Audio Format**     | MP3, 44.1kHz, 16-bit | OGG, 32kHz | OGG, 32kHz | OGG, 32kHz | OGG, 32kHz | OGG 32kHz |\n| **Location**      | USA | USA | Hawai | Kenya | India | Colombia |\n| **Unique Species** | 264 | 397 | 152 | 264 | 182 | 206 |\n| **Evaluation Metric** | micro-averaged F1-Score | micro-averaged F1-Score | Macro F1-Score | padded cmAP | macro-averaged ROC-AUC | macro-averaged ROC-AUC |\n| **CPU Limit** | <=9h | <=9h | <=9h | <=120mins | <=120mins | <=90mins |\n| **GPU Limit** | <=2h | <=3h | <=9h | X | X | <=60secs |\n|**Avg Submission time per audio min**|-|-|-|-|1.63 sec|7.71 sec|\n\n> Note: More insights on Challenges, Best Feature Engineering, Top Models Used etc. coming soon!\n\n### References\n1. Thanks to @seshurajup for aggregating the links in a common post. https://www.kaggle.com/competitions/birdclef-2025/discussion/567499",
      "votes": null
    },
    {
      "id": "3157234",
      "postDate": "03/23/2025 06:39:14",
      "content": "<p>GPU can be used for up to 60 seconds</p>\n<blockquote>\n  <p>You can technically submit but will only have 1 minute of runtime.</p>\n</blockquote>",
      "rawMarkdown": "GPU can be used for up to 60 seconds\n>You can technically submit but will only have 1 minute of runtime.",
      "votes": null
    },
    {
      "id": "3157640",
      "postDate": "03/23/2025 16:33:06",
      "content": "<p>Thanks. Updated.<br>\nA great way to tease all of us to use GPU!</p>",
      "rawMarkdown": "Thanks. Updated.\nA great way to tease all of us to use GPU!",
      "votes": null
    },
    {
      "id": "3157753",
      "postDate": "03/23/2025 19:13:01",
      "content": "<p>Nice summary! You could also add a row for \"submission time per audio time\". We have less total time this year (90 min vs 120 min), but in fact 4.7x more time/min of audio (1,100 4-min files last year, and 700 1-min files this year)</p>",
      "rawMarkdown": "Nice summary! You could also add a row for \"submission time per audio time\". We have less total time this year (90 min vs 120 min), but in fact 4.7x more time/min of audio (1,100 4-min files last year, and 700 1-min files this year)",
      "votes": null
    },
    {
      "id": "3162342",
      "postDate": "03/29/2025 04:56:45",
      "content": "<p>Great callout. Let me add it.</p>",
      "rawMarkdown": "Great callout. Let me add it.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 3157234,
      "author_name": "sapr3s",
      "author_url": "",
      "post_date": "03/23/2025 06:39:14",
      "content": "<p>GPU can be used for up to 60 seconds</p>\n<blockquote>\n  <p>You can technically submit but will only have 1 minute of runtime.</p>\n</blockquote>",
      "votes": null,
      "replies": [
        {
          "id": 3157640,
          "author_name": "aayush26",
          "author_url": "",
          "post_date": "03/23/2025 16:33:06",
          "content": "<p>Thanks. Updated.<br>\nA great way to tease all of us to use GPU!</p>",
          "votes": null,
          "replies": []
        }
      ]
    },
    {
      "id": 3157753,
      "author_name": "robbynevels",
      "author_url": "",
      "post_date": "03/23/2025 19:13:01",
      "content": "<p>Nice summary! You could also add a row for \"submission time per audio time\". We have less total time this year (90 min vs 120 min), but in fact 4.7x more time/min of audio (1,100 4-min files last year, and 700 1-min files this year)</p>",
      "votes": null,
      "replies": [
        {
          "id": 3162342,
          "author_name": "aayush26",
          "author_url": "",
          "post_date": "03/29/2025 04:56:45",
          "content": "<p>Great callout. Let me add it.</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "3157075": "| **Category**            | **BirdCLEF 2020** | **BirdCLEF 2021** | **BirdCLEF 2022** | **BirdCLEF 2023** | **BirdCLEF 2024** | **BirdCLEF 2025** |\n|------------------------|------------------|------------------|------------------|------------------|------------------|------------------|\n| **Data size (GB)**              | 25.35 | 42.18 | 6.61 | 5.29 | 23.43 | 12.38 |\n| **#files**          | 21382 | 62902 | 14858 | 16945 | 32907 | 38295 |\n| **Audio Format**     | MP3, 44.1kHz, 16-bit | OGG, 32kHz | OGG, 32kHz | OGG, 32kHz | OGG, 32kHz | OGG 32kHz |\n| **Location**      | USA | USA | Hawai | Kenya | India | Colombia |\n| **Unique Species** | 264 | 397 | 152 | 264 | 182 | 206 |\n| **Evaluation Metric** | micro-averaged F1-Score | micro-averaged F1-Score | Macro F1-Score | padded cmAP | macro-averaged ROC-AUC | macro-averaged ROC-AUC |\n| **CPU Limit** | <=9h | <=9h | <=9h | <=120mins | <=120mins | <=90mins |\n| **GPU Limit** | <=2h | <=3h | <=9h | X | X | <=60secs |\n|**Avg Submission time per audio min**|-|-|-|-|1.63 sec|7.71 sec|\n\n> Note: More insights on Challenges, Best Feature Engineering, Top Models Used etc. coming soon!\n\n### References\n1. Thanks to @seshurajup for aggregating the links in a common post. https://www.kaggle.com/competitions/birdclef-2025/discussion/567499",
    "3157234": "GPU can be used for up to 60 seconds\n>You can technically submit but will only have 1 minute of runtime.",
    "3157640": "Thanks. Updated.\nA great way to tease all of us to use GPU!",
    "3157753": "Nice summary! You could also add a row for \"submission time per audio time\". We have less total time this year (90 min vs 120 min), but in fact 4.7x more time/min of audio (1,100 4-min files last year, and 700 1-min files this year)",
    "3162342": "Great callout. Let me add it."
  },
  "source": "meta"
}