As usual it is not possible to pick just one favorite for each month but this is what I came up with. 
<p>

<table>
<tr>

<td align="center">
January  <br>
<a href="http://www.bobspixels.com/view_album.php?album=2023/2023_01_07&photo=md_jan_07_2023_121912.jpg&filter=jan_07" title="Swan on Mill Pond - Massachusetts Audubon Ipswich River Wildlife Sanctuary, Topsfield, Massachusetts">
<img src="http://www.bobspixels.com/2023/2023_01_07/th_jan_07_2023_121912.jpg" width="250" height="167" border="0"></a>
</td>
<td align="center">
February <br>
<a href="http://www.bobspixels.com/view_album.php?album=2023/2023_02_05&photo=md_feb_05_2023_092259.jpg&filter=feb_05" title="Cooper's Hawk - Hingham, Massachusetts">
<img src="http://www.bobspixels.com/2023/2023_02_05/th_feb_05_2023_092259.jpg" width="250" height="167" border="0"></a>
</td>
<td align="center">
March    <br>
<a href="http://www.bobspixels.com/view_album.php?album=2023/2023_03_26&photo=md_mar_26_2023_100838.jpg&filter=mar_26" title="Turtle snacking on flowers - Anhinga Trail, Royal Palm Visitor Center, Everglades National Park, Florida">
<img src="http://www.bobspixels.com/2023/2023_03_26/th_mar_26_2023_100838.jpg" width="250" height="167" border="0"></a>
</td>
</tr><tr>
<td align="center">
April    <br>
<a href="http://www.bobspixels.com/view_album.php?album=2023/2023_04_26&photo=md_apr_26_2023_024248.jpg&filter=apr_26" title="The Milky Way over Grand Canyon's south rim - Plateau Point, Grand Canyon, Arizona">
<img src="http://www.bobspixels.com/2023/2023_04_26/th_apr_26_2023_024248.jpg" width="250" height="167" border="0"></a>
</td>
<td align="center">
May      <br>
<a href="http://www.bobspixels.com/view_album.php?album=2023/2023_05_13&photo=md_may_13_2023_134016.jpg&filter=may_13" title="Killdeer chicks - Ellisville Harbor State Park, Plymouth, Massachusetts">
<img src="http://www.bobspixels.com/2023/2023_05_13/th_may_13_2023_134016.jpg" width="250" height="167" border="0"></a>
</td>
<td align="center">
June     <br>
<a href="http://www.bobspixels.com/view_album.php?album=2023/2023_06_23&photo=md_jun_23_2023_142006.jpg&filter=jun_23" title="Flowers and a butterfly in a garden - Flagstaff, Arizona">
<img src="http://www.bobspixels.com/2023/2023_06_23/th_jun_23_2023_142006.jpg" width="250" height="167" border="0"></a>
</td>
</tr><tr>
<td align="center">
July     <br>
<a href="http://www.bobspixels.com/view_album.php?album=2023/2023_07_30&photo=md_jul_30_2023_132636.jpg&filter=jul_30" title="Cow #32, Moo-Moo Boston - Boston Cow Parade 2023, Grazing Cows, Boston, Massachusetts">
<img src="http://www.bobspixels.com/2023/2023_07_30/th_jul_30_2023_132636.jpg" width="250" height="167" border="0"></a>
</td>
<td align="center">
August   <br>
<a href="http://www.bobspixels.com/view_album.php?album=2023/2023_08_03&photo=md_aug_03_2023_062244.jpg&filter=aug_03" title="Another heron coming in - Hewitt's Cove, Hingham, Massachusetts">
<img src="http://www.bobspixels.com/2023/2023_08_03/th_aug_03_2023_062244.jpg" width="250" height="167" border="0"></a>
</td>
<td align="center">
September<br>
<a href="http://www.bobspixels.com/view_album.php?album=2023/2023_09_17&photo=md_sep_17_2023_101550.jpg&filter=sep_17" title="Mount Liberty, Little Haystack, Mount Lincoln and Mount Lafayette - Franconia Ridge Trail, Franconia Notch State Park, New Hampshire">
<img src="http://www.bobspixels.com/2023/2023_09_17/th_sep_17_2023_101550.jpg" width="250" height="167" border="0"></a>
</td>
</tr><tr>
<td align="center">
October  <br>
<a href="http://www.bobspixels.com/view_album.php?album=2023/Fall2023&photo=md_oct_12_2023_114506.jpg&filter=oct_12" title="Turquoise-blue water - Little Colorado River, Grand Canyon National Park, Arizona">
<img src="http://www.bobspixels.com/2023/Fall2023/th_oct_12_2023_114506.jpg" width="250" height="167" border="0"></a>
</td>
<td align="center">
November <br>
<a href="http://www.bobspixels.com/view_album.php?album=2023/2023_11_24&photo=md_nov_24_2023_095954.jpg&filter=nov_24" title="Sleepy Hollow Lighthouse - Sleepy Hollow, New York">
<img src="http://www.bobspixels.com/2023/2023_11_24/th_nov_24_2023_095954.jpg" width="250" height="167" border="0"></a>
</td>
<td align="center">
December <br>
<a href="http://www.bobspixels.com/view_album.php?album=2023/2023_12_23&photo=md_dec_23_2023_063306.jpg&filter=dec_23" title="Christmas tree on a raft, in a cove and the planet Venus - Crow Point, Hingham, Massachusetts">
<img src="http://www.bobspixels.com/2023/2023_12_23/th_dec_23_2023_063306.jpg" width="167" height="250" border="0"></a>
</td>

</tr>
</table>
Click for bigger
<p>

<table>
<tr><td align="right">January   :</td><td>Swan on Mill Pond - Massachusetts Audubon Ipswich River Wildlife Sanctuary, Topsfield, Massachusetts</td></tr>
<tr><td align="right">February  :</td><td>Cooper's Hawk - Hingham, Massachusetts</td></tr>
<tr><td align="right">March     :</td><td>Turtle snacking on flowers - Anhinga Trail, Royal Palm Visitor Center, Everglades National Park, Florida</td></tr>
<tr><td align="right">April     :</td><td>The Milky Way over Grand Canyon's south rim - Plateau Point, Grand Canyon, Arizona</td></tr>
<tr><td align="right">May       :</td><td>Killdeer chicks - Ellisville Harbor State Park, Plymouth, Massachusetts</td></tr>
<tr><td align="right">June      :</td><td>Flowers and a butterfly in a garden - Flagstaff, Arizona</td></tr>
<tr><td align="right">July      :</td><td>Cow #32, Moo-Moo Boston - Boston Cow Parade 2023, Grazing Cows, Boston, Massachusetts</td></tr>
<tr><td align="right">August    :</td><td>Another heron coming in - Hewitt's Cove, Hingham, Massachusetts</td></tr>
<tr><td align="right">September :</td><td>Mount Liberty, Little Haystack, Mount Lincoln and Mount Lafayette - Franconia Ridge Trail, Franconia Notch State Park, New Hampshire</td></tr>
<tr><td align="right">October   :</td><td>Turquoise-blue water - Little Colorado River, Grand Canyon National Park, Arizona</td></tr>
<tr><td align="right">November  :</td><td>Sleepy Hollow Lighthouse - Sleepy Hollow, New York</td></tr>
<tr><td align="right">December  :</td><td>Christmas tree on a raft, in a cove and the planet Venus - Crow Point, Hingham, Massachusetts</td></tr>
</table>